Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lines and Tubes : Left upper lateral chest wall pacemaker and pacer wires appear intact . Lungs : Low lung volumes with mild vascular prominence without lobar consolidation . Pleura : There is no pleural effusion or pneumothorax Mediastinum : There is cardiomegaly and aortic knob calcification . Bony thorax : Sternotomy sutures and multiple surgical clips project over the mediastinum . EKG leads project over the chest wall .
    OUTPUT:
    
Low lung volumes with mild pulmonary edema , no lobar consolidation .