Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy left lower lobe opacity adjacent to the left heart border , best seen on the frontal view , not well seen on the lateral view , could be due to underlying consolidation or atelectasis . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Patchy left lower lobe opacity may be due to underlying consolidation or atelectasis . Recommend followup to resolution . Shallow oblique views may help further evaluate .