rectal adenocarcinoma

例句：

1. 1. The patient was diagnosed with rectal adenocarcinoma.
   患者被诊断出患有直肠腺癌。
2. 2. The doctor recommended a colon cancer screening for the patient.
   医生为患者推荐了结肠癌筛查。
3. 3. The patient's family received devastating news about his diagnosis.
   患者的家人收到了关于他诊断的令人心碎的消息。