Results:On X-ray plain film, the signs of the disease may be as follows: (1)The right ventricular enlargement does not suit the dilatation of pulmonary trunk (35/73 cases);

• 结果：在X线平片上，右室异常肌束可表现下列征象：(1)右室增大与心腰凸出不相称(35/73例)；