Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is complete collapse of the right upper lobe along with elevation of the right hemidiaphragm and rightward shift of mediastinum , all consistent with significant volume loss . There is a very dense right hilar opacity . Surgical clips are noted over the right axilla . There is no pneumothorax . No pleural effusion is seen . Cardiomediastinal silhouette is not visualized .
    OUTPUT:
    
Complete right upper lobe collapse with a perihilar opacity that may represent a shifted hilar mass . An underlying infectious process can not be excluded . No pneumothorax . The results were relayed by Dr . ___ to Dr . ___ by phone at approximately 5 p .m . on ___ .