Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac contour is unremarkable . Chronic obstructive pulmonary disease is noted . Chain sutures and surgical clips are seen in the upper lobes with associated volume loss and architectural distortion . Surgical clips are also noted in the mid right hemithorax . Old right upper rib deformities are identified . Both hila are enlarged and upwardly retracted . However , the right hilum is more dense and larger compared to the left . No focal consolidation , or pneumothorax is noted . Bilateral costophrenic angle blunting is present and linear scarring atelectasis is noted in the right lung base .
    OUTPUT:
    
1 . Prominant right hilum . Recommend initial further evaluation with PA and lateral CXR to differentiate pulmonary artery enlargement from a hilar mass . Contrast - enhanced CT may also be considered , especially if the patient 's prior surgeries were for lung malignancy . Findings were discussed with Dr . ___ at 7 : 30 am on ___ via telephone . Critical finding was discovered at 7 : 20 am on ___ . 2 . Small pleural effusions or pleural thickening .