[Cytodiagnosis of the fluid in the body cavity].
D001202:Ascitic Fluid / Q000166:cytology*; D001707:Biopsy, Needle; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000175:diagnosis* / Q000473:pathology; D010996:Pleural Effusion / Q000166:cytology*