Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Mild cardiomegaly is again demonstrated . The aortic knob is calcified . The mediastinal and hilar contours are otherwise unremarkable . There is minimal pulmonary vascular congestion , which appears chronic , without overt pulmonary edema is present . There are no focal consolidation , pleural effusions or pneumothoraces . No acute osseous abnormality seen .
    OUTPUT:
    
Minimal chronic pulmonary vascular congestion . Otherwise no acute cardiopulmonary abnormality .