Radwah Oda was diagnosed with colon cancer at 30. She shares five symptoms she dismissed, including narrow stools, blood in the stool, pain and fatigue.

"Additional colorectal cancer screening tests that are convenient, safe, and easy to complete are needed," Shaukat said.

Doctors call this symptom a change in stool caliber ... When it comes to colon cancer, the color of blood a person sees after a bowel movement depends on where the tumor is located, Chung says.

Alarmed by the color and frequency of the blood in her stool, Mahon was referred to a GI doctor who initially thought she had an autoimmune disease. “Once I got the colonoscopy, she told me that she ...

A new blood test was found to detect colon cancer with more than 80% accuracy — and to rule it out for 90% of healthy people. The results were presented at the 2025 American Society of Clinical ...

Research that has not yet been peer-reviewed shows the newest blood test is more than 80% accurate in detecting colon cancer ...

A new blood-based test for colorectal cancer shows promising results offering a less invasive and more accessible alternative to traditional colonoscopy. The blood test aims to detect colorectal ...

A blood-based test (Freenome) may provide a new option for colorectal cancer (CRC) screening in the average-risk U.S. p ...