Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright radiograph through the chest demonstrates an enlarged heart . Hilar congestion and mild to moderate pulmonary edema is noted . No large effusion or pneumothorax . Please note , a subtle underlying pneumonia would be impossible to exclude . Recommend followup to resolution .
    OUTPUT:
    
Findings compatible with congestive heart failure . Followup to resolution recommended .