MUC16 and uterine corpus sarcoma: High serum levels of the markers Cancer Antigen 125 (CA-125), Lactate Dehydrogenase (LDH), C-reactive protein (CRP), and D-dimers could theoretically indicate uterine sarcoma but are strongly influenced by various other factors and, consequently, lack specificity, according to Liu et al. in their recent review of the literature focusing on advancements in the preoperative identification of uterine sarcoma [19].