Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to previous exam , there has been no significant interval change . Left basilar opacity in part due to scarring is again noted . Multifocal pulmonary nodules are better delineated on prior CT . Cardiomediastinal silhouette is within normal limits . Tubing compatible with percutaneous cholecystostomy identified in the right upper quadrant as well as a CBD stent . There is no free intraperitoneal air .
    OUTPUT:
    
No acute cardiopulmonary process . Known bilateral pulmonary nodules better seen on prior imaging .