title: Abdominal masses and their echo patterns.
mesh_terms: D000008:Abdominal Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008100:Liver Abscess / Q000175:diagnosis*; D010181:Pancreatic Cyst / Q000175:diagnosis*; D010190:Pancreatic Neoplasms / Q000175:diagnosis; D011247:Pregnancy; D014463:Ultrasonography; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis