Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mild to moderately enlarged . Mediastinal contour is unchanged with prominence of the superior mediastinal contour likely due to underlying lymphadenopathy . Mild pulmonary vascular congestion is present . Ill - defined focal opacity within the right upper lobe appears relatively unchanged . Patchy atelectasis is seen in both lung bases . No pleural effusion or pneumothorax is detected . Clips from prior cholecystectomy are demonstrated in the right upper quadrant of the abdomen . Degenerative changes are noted in both glenohumeral joints .
    OUTPUT:
    
1 . Persistent focal ill - defined opacity in the right upper lobe which remains concerning for infection , but is non-specific and infarction is not excluded . Consider chest CTA for further assessment . 2 . Mild pulmonary vascular congestion .