Primary signet-ring cell carcinoma (SRCC) of vermiform appendix is extremely rare; only three cases have been reported in the English literature. A 52-year-old woman presented with abdominal mass. Physical examination revealed bilateral huge tumors in her ovarian sites. Blood tests demonstrated anemia and elevated tumor markers (CEA, 40 ng/ml; CA125, 580 ng/ml; CA72.4, 1771 U/ml; STN-AG, 19,000...
