NF1 and ovarian mucinous adenocarcinoma: Shared pathogenic KRAS alterations (c.35G>T, p.G12V), TP53 alterations(c.817C>T,p.R273C), MLL2(c.13450C>T,p.R4484) and NF1(c.7876A>G,p.S2626G) were detected in the mucinous ovarian carcinoma and sarcomatous mural nodules.