Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly which is unchanged . The aortic knob remains calcified . Mediastinal and hilar contours are unchanged . There is crowding of the bronchovascular structures with mild pulmonary vascular congestion . Findings appear similar when compared to the prior study . No pleural effusion or pneumothorax is identified . Degenerative spurring is noted within both acromioclavicular joints .
    OUTPUT:
    
Mild pulmonary vascular congestion .