vesical trigone

例句：

1. 1. The surgeon performed a thorough examination of the patient's vesical trigone before surgery.
   外科医生在手术前对患者的膀胱三角进行了彻底的检查。
2. 2. The patient was diagnosed with a condition affecting the vesical trigone.
   患者被诊断出患有影响膀胱三角的疾病。
3. 3. During urination, the patient experienced pain in the vesical trigone.
   患者在排尿时感到膀胱三角区域疼痛。