Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Prominence of the vascular markings is consistent with pulmonary vascular congestion . Increased interstitial markings may be chronic . No substantial pleural effusion . No pneumothorax . Flattening of the diaphragm suggests COPD . Moderate cardiomegaly is similar to prior .
    OUTPUT:
    
Pulmonary vascular congestion superimposed on probable chronic interstitial changes . Repeat PA and lateral radiographs are recommended after therapy .