Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased opacity in the right lower lobe could be due to atelectasis or pneumonia in the correct clinical setting . Severe scoliosis is once again noted . The left lung appears essentially clear . No pleural effusion , pneumothorax or pulmonary edema is noted . The cardiac size appears normal .
    OUTPUT:
    
Right lower lobe opacities suggestive of atelectasis versus pneumonia in the correct clinical setting . Unchanged severe scoliosis .