Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is no focal consolidation , pleural effusion or pneumothorax . Minimally increased opacity in the right lower lobe since ___ is likely atelectasis , but may represent an early or developing pneumonia in the appropriate clinical setting . Lungs are hyperinflated compatible with COPD . Heart size is normal . Mediastinal silhouette and hilar contours are normal .
    OUTPUT:
    
Minimally increased right lower lobe opacity is likely atelectasis , but could represent early or developing infection in the appropriate clinical setting .