title: Malignant melanoma presenting as peritoneal effusion.
mesh_terms: D001202:Ascitic Fluid / Q000166:cytology*; D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008545:Melanoma / Q000175:diagnosis*; D008875:Middle Aged; D009362:Neoplasm Metastasis