Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiomegaly persists . Compared to the prior examination , there is increased opacity projecting over the middle and lower lobe with silhouetting of the right heart border . There is a moderate right pleural effusion , similar to the prior examination . Multiple thoracic vertebral compression fractures are better delineated on the CTA chest of ___ .
    OUTPUT:
    
1 . Increased opacification within the right middle and lower lobe , concerning for infectious etiology such as pneumonia , although asymmetric pulmonary edema may be considered . 2 . Persistent severe enlargement of the cardiac silhouette . 3 . Unchanged small right pleural effusion . 4 . Multiple thoracic vertebral compression fractures , better delineated on the CTA chest of ___ .