Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change is seen from prior chest radiograph from ___ . There is stable elevation of the right hemidiaphragm . No pleural effusion , pneumothorax or focal consolidation is seen . There is no pulmonary edema . Mild hilar congestion difficult to exclude . Heart remains stably enlarged . Mediastinal contour is normal . Prominence of the costochondral junction at the bilateral first rib noted .
    OUTPUT:
    
Stable cardiomegaly . Possible mild hilar congestion .