Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to cardiomegaly is stable when compared ___ study . Left lower lobe collapse is seen likely secondary to airway obstruction ( mucous plugging ) . The mediastinal silhouette is unchanged . Mild pulmonary edema persists . No pleural effusions or pneumothorax are seen . Support devices remain stable in position .
    OUTPUT:
    
1 . Interval increase in moderate to severe cardiomegaly . 2 . Left lower lobe collapse secondary to airway obstruction . 3 . Increased moderate pulmonary edema .