As a group of cancer, carcinoma usually starts from skin and spreads to other organs of the body. It accounts for 90% of all cancers, which mostly occurs in adults, with the DNA mutation as its main cause. Based on the tissue which cancer cells arise from, the primary carcinoma category includes breast cancer, prostate cancer, colorectal cancer, lung malignancy, adenocarcinomas, cervical carcinoma, melanoma and renal cell carcinoma. Learn more about CAR-T for carcinoma.