Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with the known left upper lobe mass less well appreciated on the current radiograph than on the prior CT from ___ . Since the prior study , there is new opacification of the left lower lung , which could represent a combination of atelectasis , parenchymal consolidation , and pleural fluid . Mild cardiomegaly is again noted .
    OUTPUT:
    
1 . New left lower lobe opacification , likely representing combination of pleural fluid , atelectasis , and pulmonary consolidation . Findings support the diagnosis of pneumonia . 2 . Known left upper lobe mass is less well appreciated on the current radiograph than on prior cross - sectional imaging .