Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided central venous catheter tip terminates in the mid SVC . The heart size is normal . The mediastinal and hilar contours are unremarkable . Lungs are clear . No pleural effusion or pneumothorax is seen . There is mild elevation of right hemidiaphragm which appears chronic , with mild blunting of the right costophrenic angle , which may reflect pleural thickening or trace pleural effusion . Calcified right breast implant is redemonstrated . No acute osseous abnormalities are present . Compression deformity of the L1 vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .