Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views the chest ___ at 13 :46 are submitted .
    OUTPUT:
    
Focal airspace consolidation in at least the superior segment of the left lower lobe consistent with pneumonia . Linear opacity at the right lung base likely reflects scarring or subsegmental atelectasis . Cardiac and mediastinal contours are within normal limits . Minimal blunting of the left costophrenic angle may reflect a tiny pleural effusion . No pneumothorax .