Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No acute pneumonia appearing no over pulmonary edema . Pulmonary vascular enlargement related to known pulmonary hypertension . Moderate cardiomegaly also unchanged . No pleural effusion or pneumothorax .
    OUTPUT:
    
Chronic pulmonary vascular enlargement and cardiomegaly , not substantially changed . No overt pulmonary edema or acute pneumonia .