Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interstitial opacities in the lung bases appear similar compared to prior examination and correspond with areas of interstitial thickening and fibrosis seen on prior CT . No confluent consolidation is identified . There is no overt pulmonary edema or large effusions . Cardiomediastinal and hilar contours are within normal limits . Severe deformities of the bilateral shoulders appear chronic . Multiple subacute left - sided rib fractures are newly identified , though of indeterminate age .
    OUTPUT:
    
No acute cardiopulmonary process .