1 Abscess (4), fatty infiltration (3)*, regenerative nodule (2)*, solitary fibrous tumor.
2 Cystadenoma (3), abscess (2)*, adenomyomatosis*, porcelain gallbladder*.
3 Germ cell (22), adrenal (17), ovarian (16), renal cell (7), uterine (6), other (5).
4 Lung (9), neuroblastoma (3), adenoid cystic carcinoma (2), thyroid (2), squamous cell carcinoma (2), histiocytoma, paraganglioma, thymoma.
5 Sarcoma (direct extension [6], primary [3]), hemangioendothelioma (4), carcinosarcoma, hemangiopericytoma, lymphoma (primary), neuroendocrine (primary), renal cell (direct extension).
* Unable to exclude malignancy.