Case Report: Rectal Carcinoma Stage 3, Male, Aged 72

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This image depicts a detailed medical illustration of a human colon affected by stage 3 rectal carcinoma, with a prominent cancerous tumor visible in the lower section. The surrounding areas are highlighted in pink for emphasis.

Unfortunately, cancer of the colon and rectum continues to impact the health of thousands of Americans each year. The American Cancer Society estimates that in 2024, the number of colorectal cancers in the United States could stand at:

  • 106,590 new cases of colon cancer
  • 46,220 new cases of rectal cancer

However, regular screenings can help detect some cases at earlier stages.

The American Cancer Society (ASC) has noticed the following developments in recent decades regarding colon and rectal cancers.

  • Research shows that since the 1980s, fewer people have been diagnosed each year, possibly due to improved screening and healthier lifestyles.
  • While cases have declined about 1% annually from 2011 to 2019 for older populations, the rates have unfortunately risen about 1-2% per year since the mid-1990s for those under 50. The ASC hopes to learn why this concerning trend exists among younger adults.
  • Research shows that, on average, a man’s chances of developing colon or rectal cancer are around 1 in 23. For women, it is around 1 in 26. However, the risk level may vary depending on health history and genetics.
  • In the U.S., cancer of the colon or rectum is sadly a top reason for cancer deaths. It is believed this illness may lead to around 52,550 deaths by the end of next year, according to estimates.

 One Man’s Journey With Stage 3 Rectal Cancer

This case report shares a man’s experience using Fenbendazole to treat his stage 3 rectal cancer. The cancer had spread to tissues around his rectum.

He shared a detailed email about how Fenbendzole helped in his case. We went on to ask him more questions, and he gave thorough answers about his recovery over time.

July 2023: How to Tackle Colon Cancer With the Fenbendazole Protocol?

The man was diagnosed with stage 3 rectal cancer in July of 2023 with a 5cm x 3cm tumor just above the anus, along with an enlarged lymph node in the pelvic region measuring about 2 cm. The tumor had penetrated the outer wall of the rectum, and the pain and nerve irritation he was experiencing were significant.

He searched the internet and found the Fenbendazole protocol and started about mid-July with 444 mg/day of Fenbendazole, 1200 mg of Curcumin twice/day, a multivitamin, & Vitamin D3 daily, along with CBD oil at 24 ml per day.

Soon our community member started Chemo/Radiation for 6 weeks on 9/11 and had his first test done 3 weeks after treatment stopped, which was probably a little too soon to evaluate the effectiveness of the Chemo/Radiation. Radiation works in the body for about 6 weeks after treatment stops, according to the doctors that were treating him.

The person started doing a lot of research online about different options for treating cancer. He found something called the Fenbendazole protocol and decided to try it in mid-July. The protocol involved the following:

  • Taking Fenbendazole every day at 444 mg.
  • Curcumin two times a day at 1200 mg each.
  • A daily multivitamin and Vitamin D3.
  • 24 mL of CBD oil per day.

September 2023: Early Checkups to Measure the Success of Chemo and Radiation Treatments

In September, he started the standard chemo and radiation treatment for 6 weeks. The doctors had him get a checkup about 3 weeks later, but they said that may have been too soon to see how well it worked since radiation needs around 6 more weeks to work after treatment ends. Our community member hoped all this together could help him feel better.

November 2023: How Effective Was the Fenben Treatment According to His Early Results?

The man had only been following the Fenben plan for a little over 4 months when the doctors did the checkups. Even so, the results were good. On the MRI scan, the cancer looked more like a scab now compared to before.

Doctors found no signs of the cancer anywhere else. His doctor thinks a small bit may still be in the area. They want to do a follow up treatment with chemo/radiation and then chemotherapy. The medical team were very pleased with his results, as in the past, surgically removing the anus was often needed after chemotherapy and radiation.

After discussions, our community member agreed to the next step of more chemotherapy to give the illness every chance of leaving fully. He feels really good too, with no symptoms at all. No more blood or discomfort this time gives hope that this is all working well.

He’s feeling really good lately, better than he had for a long while. He believes the Fenbendazole regimen has helped the swollen lymph nodes shrink. It may have stopped other metastases from growing too.

Questions and Answers

Q: Any idea what may have caused your cancer? Genetics, environment, habits, lifestyle?

A: My mother was diagnosed with ovarian cancer (stage 4) at age 58. I was diagnosed at age 72. My grandmother died of Hodgkin’s disease, so there was cancer on my mother’s side.

A genetic test was done to see if I had Lynch disease after my diagnosis, but no link was found. I was very active physically all my life and chose a career as a greenhouse owner first and later as a grower/manager in the field. I spent 30 years in that industry, walking, on average, a few miles/day around the large facilities I managed.

I handled a lot of chemicals, from fertilizers to herbicides and insecticides. Some of which were incredibly deadly and, over the years, removed from commercial use for safety and health reasons. I changed careers and became, believe it or not, a CPA (I found I really liked accounting after taking a few online courses). So, I gained weight and became quite sedentary, which is the nature of the profession I chose. 

These circumstances certainly may have contributed to or exacerbated my ultimately being diagnosed with cancer, but I tend to believe in my heart of hearts, that the ability of my body to recognize and destroy cancer diminishes with age, and I also believe that was the case with my mother.

Q: What was your diagnosis? What prognosis did the doctors give you?

A: In July of 2023, I went to see a surgeon to have what I thought at the time, was hemorrhoid ligated, based on the diagnosis of a local nurse practitioner I was seeing. He was an oncologist and surgeon, and after examination, he told me I had cancer.

I was officially diagnosed with rectal cancer, with the tumor growing very close to my anus. He estimated that this slow-growing type of tumor had been there for about 7 years.

The MRI revealed a tumor of about 5 cm in length and 2.5 cm in width. The outer wall of my rectum had been penetrated, and an enlarged lymph node was also identified as possibly metastatic. I was diagnosed with stage 3C rectal cancer. The PET scan was clean.

The history surrounding this type of cancer isn’t good, but the doctor believed I had a good chance of defeating the disease but did not preclude the removal of my anus and installing a colostomy bag after treatment. This had been the standard for these types of cancers as early as 10 years ago.

These days, they apply Chemo/Radiation first to shrink the tumor, and then chemotherapy only for some months afterward to hopefully destroy the tumor and any other possible malignancies that could be in the process of forming elsewhere in the body.

Q: What was your Fenben protocol (dosage, frequency)?

A: After my diagnosis, I immediately went home and started researching, ultimately finding the Fenbendazoler protocol. I purchased a gram scale for weighing out the dose. My daily protocol was:

  • 444 mg/day of Fenbendazole.
  • 2400 mg (two 1200 mg tablets) of UltraCur Curcumin.
  • 1 multivitamin and 3 gel caps of Vitamin D3.

I take the Fenbendazole with one tablespoon of olive oil.

Q: What is your weight?

A: 205 lbs, 6’1”.

Q: What brand of Fenbendazole did you use?

A: I purchased Fenben tablets and powder from two companies. 

I purchased Fenben powder (99% purity) from a company named FenLabs listed on Amazon that I have not used to date because I was uncertain of the purity. I noticed that people are having success with the product, so I’m more confident in the product’s efficacy now. 

I guess you could say I sort of freaked out at first and looked for Fenben sources from other manufacturers, purchasing what I could find, knowing this would be a lifetime discipline for me going forward but also because I wanted a very aggressive protocol initially until this cancer was gone. 

Q: When did you realize Fenben was working? Did you start to feel better? Or did it require diagnostic testing for you to realize you were on the right track?

A: I decided to take Tippens’s advice and use every means available to kill this monster. I finished 6 weeks of Chemo/Radiation in early November and had my first stack tests done on Nov 28th. My feeling is that the testing should have been backed up a few weeks because we backed up the start date of the Chemo/Radiation until after my son visited in August 2023. The hospital kept to the original schedule for the stack tests, and as a result, the complete effects of the radiation were not included in the results. 

Nevertheless, the results were excellent, with the MRI radiologist calling what was left of the cancer a “scab”. My doctor wanted to continue with the second phase of the treatment and was not as optimistic about the analysis after completing a sigmoidoscopy. He believes some cancer is still alive, even though the remnants of the tumor were, in his words, “flat and brown.”. 

It took me about 3 weeks to recover from the effects of the radiation, which, based on how I felt at the end of the treatment, was a miracle to me. And since then, I have only continued to feel better. I have no symptoms of any kind that were present at the time of the diagnosis. No pain, I now have regular stools, there are no electric shocks from the damage the tumor had done to my nerves in that area, there is no blood discharge, and there has been a dramatic increase in my energy and stamina. The increase in overall well-being is something I’ve often read about from other users of the protocol, sometimes months before testing revealed the same. There is no evidence of disease.

I am still in the middle of this, so I’ll update you with my results once I am tested again. I can tell you that I have no intention of doing anything more than this next round of chemotherapy. There will be no surgery if the tumor is not completely gone in another few months. I believe that, at worst, I can keep the tumor from increasing in size over time with the Fenben protocol. And that will be enough to allow me to live my life.

Q: Did you have any issues or side effects from the Fenbendazole or anything else you were taking?

A: No.

Q: Did you tell your doctor about Fenben, either while you were self-treating or afterward?

A: I have not told my doctors about the protocol and likely will not. That’s still up in the air, but based on the personalities, it seems it would be a waste of time and effort to engage them. We’ll see.

Q: When you tell others about how Fenben cured you, do they believe you?

A: My family has had mixed reactions. My daughter was a nurse for many years and now works for a company that is repurposing drugs for application to treat diseases for which these drugs were not intended. She is very excited by the protocol I’m using.

The rest of my family is happy I have no side effects from the protocol, but they otherwise think it’s a fantasy ambition of mine. My friends and some of my clients are open to what I’m doing and listen, but again, like anything in life, you don’t start paying attention to alternatives until you are faced with reality. If I’m successful in my endeavors, they will likely contact me for more information if they end up with cancer. 


This case study is notable for a few reasons. The man chose to treat his cancer in different ways. Using surgery, standard chemo, and radiation, plus Fenbendazole. Trying everything available seemed like the right way ahead for him, and it’s working well.

The amount of Fenbendazole he took each day seems larger than most. But it’s important to note that the standard 222 mg dose comes from a Panacur-C canine dewormer packet. No detailed studies show the dose response between Fenbendazole and cancer.

So everyone must choose what they think will be most helpful for their illness and situation. Taking 444 mg daily didn’t cause any problems for our community member, and the end goal is to defeat the cancer, which it seems to be doing for him so far.

Notably, the man described the last bits of cancer as looking like a flat, brown scab. Some other case studies show rectal and anal cancer stalling at this point but not fully leaving. Tests said his cancer was gone, yet the doctors still saw a little tissue change and wanted it looked at. Whether this meant healing skin or something needing more care, remains a mystery.

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