<prompt> Tumor marker relevant with ovarian carcinoma is:CA-125CA-19.9CD-30CD-25  <response>: Answer is A CA 125 : Manual of Clinical Surgery by Kirk CA 125 is the most commonly used tumor marker for ovarian cancer - Kirk CA-125 is found in derivatives of Coelomic epithelium, including pleura pericardium and peritoneum but is not detected in normal ovarian tissue. 