Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Patchy right basal opacity is seen , which could be due to aspiration or infection . The left lung is clear . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . No displaced fracture is seen .
    OUTPUT:
    
Subtle patchy right base opacity could be due to aspiration , infection or atelectasis .