MUC16 and Hyponatremia: Laboratory investigations revealed deranged liver enzymes with an aspartate aminotransferase (AST):alanine transaminase (ALT) ratio of >2:1, raised cancer antigen 125 (CA125), raised lactate dehydrogenase (LDH), raised C-reactive protein (CRP), hypoalbuminemia, iron deficiency anemia, and mild hyponatremia (Table 1).