local swelling

例句：

1. 1.The patient had a local swelling on his arm that was painful to the touch.
   病人手臂上有一处局部肿胀，触摸时很痛。
2. 2. After the surgery, she noticed a local swelling around her incision site.
   手术后，她注意到手术切口周围有一处局部肿胀。
3. 3. The doctor diagnosed the patient with a local swelling caused by an infection.
   医生诊断出患者患有由感染引起的局部肿胀。