A specimen labeled "right ovarian cyst" is received for examination. It consists of a smooth- walled, clear fluid- filled cyst measuring 13x12x7 cm and weighing 1351 grams with fluid. Both surfaces of the wall are pink-tan, smooth and grossly unremarkable. No firm or think areas or papillary structures are noted on the cyst wall externally or internally. After removal of the fluid, the cyst weights 68 grams. The fluid is transparent and slightly mucoid.

A. 88300
B. 88304
C. 88305
D. 88307