Here, an ill-defined mass at the gastroesophageal junction produces mucosal ulceration and irregularity, which led to the clinical symptoms of pain and difficulty swallowing.

 
  • 图示胃食管交界处有性质不明的肿块,可见溃疡形成和不规则黏膜,临床表现为疼痛和吞咽困难。
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