Tag: Rectal Bleeding

Articles tagged «Rectal Bleeding»

Doctor in a latex glove rests a hand on a patient's on an exam table before a colorectal cancer screening

Colorectal cancer: polyps, signs, diagnosis

Colorectal cancer originates from the epithelium of the colon, often through adenomas. What is known about signs, examinations, heredity, and molecular mechanisms.

Oncology · 3 min · updated October 31, 2026

Doctor in a white coat takes notes on a clipboard while talking with an older patient about hemorrhoid symptoms

Hemorrhoids: Why They Occur, Symptoms, and Why Blood Should Not Be Blamed on Them

Hemorrhoids are cushions inside and around the anus. We explain the mechanism, risk factors, and symptoms, and why blood after a bowel movement requires a doctor's examination.

Surgery · 3 min · updated October 31, 2026