Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is left apical pleural thickening and scarring with associated volume loss and superior retraction of the left hilum . Calcified left hilar nodes are again noted . New perihilar opacities are noted on the right greater than left as well as blunting of the right lateral costophrenic angle suggesting underlying effusion . Cardiomediastinal silhouette is grossly unchanged given differences in positioning and technique . Severe degenerative changes noted at the shoulders bilaterally . Median sternotomy wires are intact .
    OUTPUT:
    
Perihilar opacities , right greater than the left with a right pleural effusion . Findings are suggestive of pulmonary edema noting that infection would also be possible . Chronic changes involving the left lung apex .