Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Severe cardiomegaly is re - demonstrated . The aorta is tortuous . There is no pulmonary vascular congestion . There is minimal atelectasis in the left lung base . No pleural effusion , focal consolidation or pneumothorax is present . Multiple clips are seen in the left upper quadrant of the abdomen . There is diffuse demineralization of the osseous structures with mild right loss of height of several thoracic vertebral bodies in the lower thoracic spine .
    OUTPUT:
    
Mild left basilar atelectasis . No pulmonary edema .