title: Percutaneous aspiration biopsy of abdominal and retroperitoneal tumors.
mesh_terms: D000008:Abdominal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D000230:Adenocarcinoma / Q000175:diagnosis / Q000473:pathology; D000368:Aged; D001707:Biopsy, Needle; D003581:Cytodiagnosis; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology; D008223:Lymphoma / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000175:diagnosis / Q000473:pathology; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D012867:Skin; D014463:Ultrasonography