Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiographs were obtained . The exam is limited by body habitus . Despite these limitations , the lungs are well expanded and clear . There is no focal consolidation , effusion , or pneumothorax . Cardiomegaly is severe .
    OUTPUT:
    
Severe cardiomegaly . No acute cardiopulmonary process .