Not a specific tumor marker is -
Ans is 'd' i.e., CEA Carcinoembryonic antigen (CEA) is used as tumor marker for colorectal cancer (major use), lung cancer, breast cancer and ovarian cancer.It is alsoincreased in non-neoplastic conditions like alcoholic cirrhosis, hepatitis, IBD (CD, UC), smoking and pancreatitis.CEA lacks sensitivity as well as specificity, hence cannot be used to confirm the diagnosis.About other optionsCD 99 - specific marker for Ewing's sarcomaHMB 45 - specific marker for malignant melanomab - globulin - specific marker for multiple myeloma
CD 99
HMB 45
b- globulin
CEA