Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright frontal view of the chest . A new right internal jugular line ends in the low superior vena cava . The lung volumes are low . There is no focal opacities , pleural effusion or pneumothorax . The aortic knob is calcified . The pulmonary arteries are enlarged . The heart size is normal . There is no free air beneath the hemidiaphragms .
    OUTPUT:
    
1 . A new right internal jugular line ends in the low superior vena cava . 2 . The pulmonary arteries are enlarged . Correlation with clinical signs and symptoms is recommended to exclude pulmonary hypertension .