sinus of urachus

例句：

1. 1.The patient was admitted to the hospital with a fever and a sore throat.
   病人因发热和喉咙痛被送进医院。
2. 2.The doctor performed an emergency surgery on the patient's neck to relieve the pressure in the sinus of urachus.
   医生对患者的颈部进行了紧急手术，以缓解颈静脉窦的压力。
3. 3.The patient had a difficult recovery after the surgery, but eventually made a full recovery.
   手术后，患者经历了一段艰难的恢复期，但最终完全康复。