Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate interval resolution of a left midlung opacity . There are no new areas of consolidation to suggest pneumonia . Heart size is normal . Cardiomediastinal and hilar contours are unchanged . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Resolution of left mid lung opacity . No evidence of pneumonia .