True regarding carcino embroyonic antigen are A/E-
Is a glycoprotein
Helps in knowing recurrence after resection
Increases in Ca colon associated with only liver metastasis
Usually associated with malignancies of GI tract
Ans. is 'c' i.e., Increase in Carcinoma colon associated with only liver metastasis o Carcino embryonic antigen elevation occurs in about 70% of patients of colon carcinoma. It has got no relation with hepatic metastasis.