患者男，３５岁。月余前无明显诱因出现咳嗽，吐白痰偶带血丝，并出现胸闷。查体：体温、脉搏、呼吸、血压均正常。触诊：心尖搏动在左锁骨中线内侧第五肋间，心尖搏动弱，心界向两侧扩大，心音遥远，各瓣膜未闻及病理性杂音。Ｘ线示：心包积液；ＣＴ示：前纵隔肿瘤。临床... Male patient, 35 years old. There was no obvious incentive for coughing before the rest of the month, and spit blood and sputum occasionally bloodshot and chest tightness. Physical examination: Body temperature, pulse, respiration, and blood pressure were normal. Palpation: The apex beat in the fifth intercostal space of the left midclavicular line, the apex beats weakly, the heart boundary expands to both sides, the heart sound is distant, and the valves do not smell pathological murmurs. X-ray showed: pericardial effusion; CT showed: anterior mediastinal tumor. clinical...