Primary ovarian carcinoma on CT scan

(A) The image is a CT scan through the pelvis and shows a cystic mass (arrow) with fine septations (arrowhead). 
(B) The image is a CT scan of a second patient and shows a solid primary ovarian cancer (arrow). 
(C) The image is a CT scan of a third patient and shows a primary ovarian cancer with both solid (arrowhead) and cystic (arrow) features.
(D) The image shows a primary ovarian carcinoma with psammomatous calcifications (arrow).