left lower quadrant of the abdomen

例句：

1. 1.He was diagnosed with a condition affecting his left lower quadrant.
   他被诊断出患有影响他左下腹的疾病。
2. 2.The patient's symptoms were consistent with a left lower quadrant infection.
   患者的病症与左下腹感染相符。
3. 3.During surgery, the surgeon found a tumor in the left lower quadrant.
   在手术过程中，外科医生发现左下腹有一个肿瘤。