Quick Answer: What If Colon Cancer Is Left Untreated?

What are the signs of end stage colon cancer?

SymptomsBlood (usually dark red or black) in the stool.Constipation and diarrhea.

These can also be symptoms of other, less serious conditions.

Long, thin, pencil-like stools.

Fatigue and weakness.

Abdominal pain or bloating.

Unexplained weight loss.

Nausea and vomiting, which may happen if the tumor causes an obstruction..

What stage of colon cancer is dangerous?

4B stage. This most advanced stage of colon cancer indicates cancer has spread to two or more distant sites, such as the lungs and liver.

How long does it take for colon cancer to go from Stage 1 to Stage 4?

There are more treatment options now when the cancer is at a more advanced stage, too. In the 1990s, the overall survival rates for stage 4 colon cancer was around 6 to 8 months. Now it’s close to 30 months.

What does cancer poop look like?

Usually, the stools (poop) of the patients with colon cancer may have the following characteristics: Black poop is a red flag for cancer of the bowel. Blood from in the bowel becomes dark red or black and can make poop stools look like tar.

How long can you live with untreated colon cancer?

The aim of our study was to contribute to a better understanding of the biology of colorectal cancer. Our findings indicate that this is a slow-growing disease with a 65% survival rate after 1 year, and a 25% survival rate after 2 years (10/40 patients).

How long does colon cancer take to kill you?

Overall, 7 to 8 in every 10 people with bowel cancer will live at least one year after diagnosis. More than half of those diagnosed will live at least another 10 years.