患者男,21岁,自幼反复咳嗽,咯血,再发1d入院。无发绀,无发热、盗汗,无心悸气促。胸部听诊:胸骨右缘第三肋间有II级收缩期杂音。心电图示右心室肥厚。X线表现:心影右移,右心缘有一条状阴影呈“镰刀”状自上而下弯曲走行,引向右心膈角区(图1)。CT表现为右肺静脉异常引流至下腔静 Male patient, 21 years old, repeated cough, hemoptysis, recurrent 1d admission. No cyanosis, no fever, night sweats, no heart palpitations. Chest auscultation: There is a Class II systolic murmur in the third intercostal space on the right margin of the sternum. ECG shows right ventricular hypertrophy. X-ray performance: right heart shadow shift, the right edge of a shadowy “sickle” shape curved down from top to bottom, leading to the right ventricular diaphragmatic area (Figure 1). CT showed abnormal drainage of the right pulmonary vein to inferior vena cava