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 . Aorta is tortuous . Peripheral catheter is partially imaged , projecting over the left arm just below the axilla . No central catheter is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Mild cardiomegaly . No central catheter within the thorax . A peripheral catheter projecting over the left arm .