Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is somewhat increased compared to the prior exam . The mediastinal contour is unchanged with tortuosity of the thoracic aorta again demonstrated . There is mild pulmonary edema , new from the prior study . No pleural effusion or focal consolidation is seen . There is no pneumothorax . No acute osseous abnormalities detected .
    OUTPUT:
    
Mild congestive heart failure .