Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Ill - defined airspace opacity in the right lower lung may represent atelectasis or early consolidation . There is no pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Ill - defined right lower lung airspace opacity may represent atelectasis or early consolidation .