A gentleman of 36 years presented with a long history of upper abdominal pain which was
periodic and often occurred early morning. For last 3 months, he is having projectile vomiting,
which is non bilious, unpleasant in nature with undigested food materials. On examination he
appears unwell, dehydrated and seemed to have lost weight. Probably he is suffering from:
(a) Gastric outlet obstruction
(b) Carcinoma stomach
(c) Gastro-oesophageal reflux with oesophagitis
(d) Superior mesenteric artery syndrome
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ANS- (a) Gastric outlet obstruction