Are Cancers Of The Epithelial Cells?

Are Cancers Of The Epithelial Cells? Carcinoma. Carcinoma refers to a malignant neoplasm of epithelial origin or cancer of the internal or external lining of the body. Carcinomas, malignancies of epithelial tissue, account for 80 to 90 percent of all cancer cases. Epithelial tissue is found throughout the body. Why are epithelial cells prone to