Because of its similarity in clinical presentations and radiographic findings to pulmonary thromboembolism, the tumors are frequently misdiagnosed and its true incidence is probably underestimated.

• 由于其临床表徵及影像学特徵与肺栓塞极为相似，肺动脉肉瘤常被误诊为肺栓塞，真实发生率也因此而被低估。