Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A patchy opacity in the left lower lobe may reflect atelectasis . The right lung appears clear . A PICC terminates in the upper SVC . Cardiac size remains normal . No pleural effusion , pneumothorax , or pulmonary edema . Scoliosis again noted .
    OUTPUT:
    
Left lower lobe patchy opacity , likely atelectasis but developing pneumonia is not excluded . Recommend dedicated PA and lateral views for improved evaluation .