Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The aorta is tortuous . The cardiac silhouette is not enlarged . The cardiac and mediastinal silhouettes are stable . There is a tubular structure that projects over the upper right hemithorax , unclear whether internal or external to the patient , though most likely represents a right - sided VP shunt .
    OUTPUT:
    
No acute cardiopulmonary process .