Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . Cardiomediastinal contours are normal . Pulmonary vasculature is unremarkable . The lungs are clear without focal or diffuse abnormality . No pleural effusion or pneumothorax . Metallic clips projecting over the left breast are compatible with history of prior left breast surgery . The catheter of the right chest wall port terminates in the lower SVC . Osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Mild cardiomegaly .