Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 lead right - sided pacer device is seen with lead extending the expected positions of the right atrium right ventricle . The patient is rotated somewhat to the left . The cardiac silhouette is mildly enlarged . Aorta knob calcification is noted . There is slight prominence of the pulmonary artery and there may be a component of pulmonary arterial hypertension . Left base atelectasis is seen without definite focal consolidation . No pleural effusion or pneumothorax is seen . Again noted right paratracheal opacity with leftward deviation of the trachea , can be seen with the enlarged right lobe of the thyroid .
    OUTPUT:
    
Possible pulmonary arterial hypertension . Otherwise , no acute cardiopulmonary process .