Free-hand abdominal fine-needle biopsy aided by sonography.
D000008:Abdominal Neoplasms / Q000175:diagnosis*; D001707:Biopsy, Needle; D006801:Humans; D007668:Kidney / Q000473:pathology; D008099:Liver / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology; D010179:Pancreas / Q000473:pathology; D014463:Ultrasonography