Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This study is limited due to patient body habitus . The lungs are clear . Mild cardiomegaly is redemonstrated . The mediastinal contours are normal . There are no definite pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . No acute cardiac or pulmonary findings . 2 . Unchanged mild cardiomegaly .