Ostium trunci pulmonalis

例句：

1. 1. The patient was diagnosed with a condition that affects the ostium trunci pulmonalis.
   患者被诊断出患有影响气管的疾病。
2. 2.During surgery, the surgeon carefully removed the ostium trunci pulmonalis to prevent infection.
   在手术过程中，外科医生小心地切除了气管以防止感染。
3. 3. The patient's condition worsened, and he needed immediate attention to the ostium truncipulmonalis.
   患者的病情恶化，需要立即关注气管的问题。