Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is dense opacification of the left lower lung zone with upper lobe collapse and central adenopathy . There is rightward deviation of trachea . Large left pleural effusion is observed with a lower lung zone mass presumed . The right lung is unremarkable . There is no pneumothorax . The most of the cardiac border is obscured by left lower lung opacity .
    OUTPUT:
    
Large left pleural effusion with left upper lobe collapse and left central adenopathy . Left - sided mass is presumed . These findings were reported to Dr . ___ at 11 :20 a .m . via phone by ___ ___ .