Fig. 4: Summarized clinical, immunohistochemical, and molecular findings for each case.

AC anaplastic carcinoma nodule, ACA adenocarcinoma, DOC dead of other causes, DOD dead of disease, Epi epithelioid pattern, Exp expansile carcinoma, IEC with intraepithelial carcinoma, Inf infiltrative carcinoma, MI with microinvasion, MOT mucinous ovarian tumor, MN mural nodule, MSS microsatellite stable, Mutant strong-diffuse mutant, NED no evidence of disease, Null null-mutant, P pleomorphic (spindled and epithelioid) pattern, PE pleomorphic and epulis-like pattern, SL sarcoma-like mural nodule, SN sarcomatous nodule, S sarcomatoid, w.t. wild type.