The characteristics of the first symptoms are as follows: 41 cases showed upperabdominalpain, accounting for 36%, of whom 16 cases presented with typical peptic ulcer;
本组首发症状特点为：（1）上腹疼痛最多见，41例（36％），其中16例呈典型的溃疡病样规律性。
2
Results: the symptoms of these 20 patients were non-specific, upperabdominalpain was most common and hunger pain, abdominal distention, nausea, vomiting, melena being the next.