The diagnosis of benign and malignant pyloric obstruction.
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications; D011707:Pyloric Stenosis / Q000175:diagnosis* / Q000209:etiology; D013274:Stomach Neoplasms / Q000150:complications / Q000175:diagnosis*