Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , the lung volumes are lower . Increased right basal and right hilar opacities appear more confluent , concerning for pneumonia . Left basal atelectasis and small bilateral pleural effusion are unchanged . No pneumothorax is seen . Left PICC terminates in mid SVC , unchanged from prior . Transesophageal tube is in the stomach and out of view . Right pigtail catheter is at the apex . Heart size is unchanged .
    OUTPUT:
    
Possible right lower lobe pneumonia . No pneumothorax .