Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC tip appears to have been advanced , now terminating in the proximal right atrium . Cardiac , mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . Right PICC tip appears to been advanced , now terminating within the proximal right atrium .