Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . An enteric tube is seen at the mid thorax and its tip is not well seen due to the overlying soft tissue .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Mild cardiomegaly . Enteric tube tip not well seen due to overlying soft tissue . Recommend repeat radiograph with upright positioning is recommended .