Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Spinal fusion hardware is partially visualized at the upper edge of the film . Prominence of the main pulmonary artery is unchanged from prior exams , and suggestive of pulmonary hypertension . Cardiomediastinal silhouettes stable in otherwise unremarkable . The bilateral hila are within normal limits . There is no pulmonary vascular congestion . There is no focal consolidation . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No focal consolidation . No evidence of acute cardiopulmonary process . 2 . Unchanged prominence of the main pulmonary artery suggests pulmonary hypertension .