Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is no focal consolidation , pleural effusion or pneumothorax . Mild enlargement of the cardiac silhouette is increased since ___ , with right heart enlargement . Mild aortic tortuosity is unchanged . Hilar contours are normal .
    OUTPUT:
    
No pneumonia , edema , or effusion .