In the 5 cases of massive pulmonary embolism , 4 of them were pulmonary thrombosis associated with chronic pulmonary heart disease and the pulmonary hypertension and andere case of pulmonary embolism occurred in a patient with kidney carcinoma .

5例巨大性肺栓塞中，4例肺动脉血栓形成继发于慢性肺心病和肺动脉高压症，另1例为肾癌术后的肺动脉栓塞。