胃底部1厘米的急性胃溃疡。溃疡表浅、边界清晰，周围有充血。图示能是良性溃疡。胃溃疡应该作活检排除恶性。
A 1 cm acute gastric ulcer is shown here in the upper fundus. The ulcer is shallow and sharply demarcated, with surrounding hyperemia. It is probably benign. However, all gastric ulcers should be biopsied to rule out a malignancy.
