However, clinical trials are actively assessing CAR-T cell therapies targeting antigens like carcinoembryonic antigen (CEA) across various solid tumour types including gastric cancer, colon cancer, pancreas cancer, oesophagus cancer, lung cancer, and CD70-targeted CAR-T in the treatment of solid tumours. The gene discussed is CEACAM5; the disease is malignant colon neoplasm.