Explanation

The cancer of epithelial cells is called carcinoma. It is a tumour that arises in the tissue that line the body’s organ like the nose, the colon, the penis, breast, etc. About 80% of all cancers are carcinomas. Leukaemia are cancers of blood or blood terming organ. Sarcoma originates in mesodermal tissue like bone, connective tissue muscle, cartilage, fibrous tissue or fat.