Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large , near homogeneous opacity of 4 x 4 .6 cm in the left lower lung in the pericardiac region which on lateral view overlies the cardiac silhouette and hence confined to the lingula is new since ___ . In view of history this may represent lymphomatous deposits , however , other differential diagnosis include lung infection . There is a probable mild left pleural effusion . There is no pleural effusion on the right side . Right lung is clear . Heart size is top normal . Mediastinal and hilar contours are within normal limits and unchanged in appearance as compared to ___ .
    OUTPUT:
    
Large left lower lung opacity , which is anatomically located in the lingula , is new since ___ . In view of history the likely possibilities include a lymphoma deposit , however , lung infection can not be ruled out . Contrast - enhanced CECT of thorax is recommended for further evaluation . Findings were discussed with nurse ___ Ms . ___ to further communicate findings to concerned physician by phone on ___ at 12 :04 p .m .