Carcinoma

Carcinoma is a medical term that refers to an invasive malignant tumor consisting of transformed epithelial cells. Carcinomas are most commonly found in the lining of body organs, such as the breast, prostate, lung, stomach, or bowel. Most human cancers are carcinomas. Carcinomas are characterized by cells that cover internal and external parts of the body such as lung, breast, and colon cancer