early gastric cancer

例句：

1. 1. Early detection and treatment of gastric cancer are key to its successful management.
   早期发现和治疗胃癌是其成功管理的关键。
2. 2. The patient was diagnosed with early gastric cancer, but the doctors were able to successfully remove it.
   这位病人被诊断出患有早期胃癌，但医生们成功地将其切除。
3. 3. Early gastric cancer is often treated with surgery, but in some cases, chemotherapy may be necessary.
   早期胃癌通常通过手术进行治疗，但在一些情况下，化疗可能是必要的。