Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly , slightly increased in size compared to the prior exam from ___ . There is mild pulmonary vascular congestion with mild pulmonary edema , otherwise the hilar and mediastinal contours are normal . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Interval increase in mild cardiomegaly with mild pulmonary edema , suggestive of heart failure .