Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs . The lungs are well expanded and clear . There is no focal consolidation , effusion , pneumothorax . Severe cardiomegaly is unchanged . Coarse calcifications at the cardiac apex correspond with known LV aneurysm . Dual chamber pacing leads sternotomy wires and post bypass changes are stable .
    OUTPUT:
    
Severe cardiomegaly . No acute cardiopulmonary process .