Doctor insights on:
Colon Cancer Generally Develop
From polyps usually: Almost all colon cancers start off as a polyp, hence the push for colonoscopy screening looking for polyps. Only 20% of colon cancers are hereditary, meaning the rest are environmentally related to foods we eat and chemicals we are exposed too. If you are over 50 or have risl factors get regular colonoscopies. ...Read moreSee 1 more doctor answer
Final few yards of your intestine, between the terminal ileum (small bowell) and rectum. It squeezes water and solidifies waste to stool. It is subject to outpouching (divertics) polyps, and these can become cancers. The cells are abnormal, invade into the muscle and travel ...Read more
How long does colon cancer take to develop from stage to stage? How long have you had it by the time you can see it?
A long time: Colon cancer is unusual in that it follows the "polyp-to-cancer" sequence. Colon cancer does NOT develop with a single genetic mistake from normal to full blown cancer like many others (breast, prostate). The process usually takes an average of 12 years. From stage to stage is probably a couple of years, The recent hullaballoo at the VA demonstrated that even a one year wait may not matter! ...Read moreSee 2 more doctor answers
Perhaps: There are genetic and environment risks to colon cancer. Obviously genetics can't be changed at this point. Risks that can be avoided include smoking and eating a western style diet (high fat, low fiber). Being overweight increases the risk of colon cancer. Smoking is probably the biggest factor as it can double the risk of colon cancer. ...Read moreSee 1 more doctor answer
Rare: Colon cancer while not common before age 20 unless inherited is becoming more common in the 20-30 age group. This change is probably environmental with exposure to factors such as viruses not previousl seen. Inflammatory changes in bowel is also predisposing to earlier colon malignancies. ...Read more
It varies: Colon cancer can be in the form of a polyp or what is referred to as an apple-core lesion, meaning a circumferential narrowing at a specific site in your colon. The above descriptions refer to what is seen either endoscopically during a colonoscopy or radiologically during a barium enema lower GI series. ...Read moreSee 1 more doctor answer
Years....we think.: Every individual tumor is different. The "teaching" is it takes 5 years for a polyp to undergo malignant change (turn into cancer) from there, it depends on location, age and many other factors we don't yet understand. Colon cancer can be indolent (slow growing) or aggressive. It depends on the individual cancer, and everyone is different. ...Read more
Risk rises with age: Risk of colon cancer starts to rise significantly around age 45, and the risk continues to rise with every passing decade of life, though there is a hint that the rate of rise slows down in the ninth decade of life. If you have symptoms of colon cancer, though, you need medical attention no matter how young you are. ...Read more
- Talk to a doctor live online for free
- How fast can colon cancer develop?
- How long does it take colon cancer to develop?
- How long does it take colon cancer to develop and spread?
- Ask a doctor a question free online
- Colon polyps age developing cancer
- How fast does colon cancer develop?
- Developing colon cancer
- How colon cancer develops?
- Talk to a oncologist online for free