Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP views of the chest were provided . There is a central line sheath terminating at the brachiocephalic confluence . The heart size is moderately enlarged . There is no focal consolidation , pneumothorax or pleural effusion . There are no suspicious osseous lesions .
    OUTPUT:
    
Central line terminating at the brachiocephalic confluence . No pneumothorax .