Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of right PICC line . Lung volumes are low with chronic near complete collapse of the left lower lobe . A new heterogeneous opacity in the right lung base is concerning for pneumonia . Again , the significant left basilar and retrocardiac atelectasis is unchanged since ___ . Moderate to severe cardiomegaly is stable . A left pectoral pacemaker is seen with a transvenous lead in the right ventricle . An old chronic rib fracture seen on the left . No pneumothorax or pulmonary edema .
    OUTPUT:
    
1 . New heterogeneous opacity in the right lung base is concerning for pneumonia . 2 . Moderate to severe cardiomegaly and significant left lower lobe atelectasis is unchanged since ___ .