Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph . Appearances of the lungs are clear . There is no focal consolidation , pleural effusion or pneumothorax . The cardiac silhouette is enlarged . The aorta is elongated . The osseous structures are unremarkable .
    OUTPUT:
    
1 . No evidence of infectious process . 2 . Cardiomegaly .