Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits as are the mediastinal contours . The lungs now demonstrate improvement in the left lower lobe consolidation with only minimal residual consolidation present . The previously described left - sided pleural effusion has decreased in size , now small in nature . There is no pneumothorax .
    OUTPUT:
    
Improvement in left lower lobe consolidation and pleural effusion ; follow - up imaging is recommended to ensure resolution .