Info Clinic

Oncology

Oncology covers early signs of cancer and screening: breast, lung, colorectal and skin cancer. We explain which symptoms should not be put down to age, which screening tests are recommended for whom and why early detection matters. The content is for reference and does not replace a doctor's examination.

Pink ribbon on a light background, a symbol of cancer awareness and support for patients in oncology

Diagnosis

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.

3 min · updated October 31, 2026

Conditions

Diagnostics

When to See a Doctor