Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , portable . There is left lower lobe atelectasis . A more heterogeneous opacity in the right lower lobe with possible air-bronchograms is more suspicious for infection . The hilar and mediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Heterogeneous opacity in the right lower lobe with air-bronchograms may represent early pneumonia or atelectasis .