Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle patchy right basilar opacity most likely relates to atelectasis . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac silhouette is top - normal . Mediastinal hilar contours are unremarkable . Degenerative changes are noted at the acromioclavicular joints . No acute fracture is seen .
    OUTPUT:
    
Subtle right basilar opacity most likely relates to 0 atelectasis . No definite focal consolidation .