Pankosta Crab

**Pancosta:** [English] Pancoast] - (died November 12, 1952 at the age of 84 years) American radiologist, one of the founders of oncology and radiology. He was involved in cancer research.

**Cancer:** A malignant tumor that develops from epithelial cells. Internal organs are affected: mammary glands, lungs, stomach, ovaries, etc. The tumor has a characteristic structure: it consists of many nodules - “cancer cells”.

Pancoast used radiography to diagnose cancer. X-rays are reflected by tumor tissues and become more pronounced