lithotomist

例句：

1. 1. He is a lithotomist who specializes in treating patients with kidney stones.
   他是一名专门治疗肾结石患者的泌尿科医生。
2. 2. The doctor performed a lithotomist to relieve her from the pain.
   这位医生为她做了一次剖腹产手术，以减轻她的疼痛。
3. 3. She was referred to a lithotomist for a complex case of bladder cancer.
   她被转诊给一位泌尿科专家，处理一个复杂的膀胱癌病例。