“…Preoperative serum tumor markers, including carcinoembryonic antigen, CA 125, CA 19-9, and, in one case, squamous cell carcinoma antigen, have been within normal limits. [1][2][3][4][5][6][7][8][9] GROSS AND MICROSCOPIC FINDINGS Signet ring stromal cell tumors range from 3.0 to 13.0 cm. They are circumscribed, solid, gray-tan, white, brown, or yellow tumors with variable firmness.…”