Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Patchy lingular opacity is seen which could be due to atelectasis or infection . The right lung is clear . Costophrenic angles are sharp . No evidence of pneumothorax is seen . Cardiomediastinal silhouette is stable . Multiple old healed right lateral rib fracture is again seen . Surgical clips in the upper abdomen .
    OUTPUT:
    
Patchy lingular opacity could be due to atelectasis or infection . Recommend follow - up to resolution . The right lung is clear . No evidence of pneumothorax .