Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A supine portable frontal chest radiograph demonstrates unchanged position of pacer devices and a left subclavian approach central catheter . Sternal wires are intact . There is no definite focal consolidation . There is mild vascular congestion with early pulmonary edema . There is no appreciable pleural effusion or pneumothorax , though not optimally evaluated on supine radiograph . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No definite focal consolidation . Severe cardiomegaly and mild vascular congestion with early pulmonary edema .