Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly dilated . The hilar and mediastinal contours are stable , with mildly tortuous thoracic aorta . Subtle opacity in the left lung adjacent to the cardiac ___ , ___ relate to technique or a prominent epicardial fat pad or due to left basal atelectasis . No pleural effusion , pneumothorax or pulmonary edema is seen .
    OUTPUT:
    
Mild cardiomegaly . No evidence of pulmonary edema .