Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a low lung volumes . Patchy medial left base opacity is seen which could relate to atelectasis however , consolidation due to infection is not excluded in the appropriate clinical setting . No focal consolidation is seen in the right lung . There is no pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Patchy left base opacity , could relate to atelectasis , however consolidation due to infection is not excluded in the appropriate clinical setting .