Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . There are low lung volumes . There is a left - sided pacemaker which is unchanged in position . No evidence of focal consolidation , pleural effusion or pneumothorax . Again seen is an enlarged right paratracheal stripe which may represent patient 's known enlarged thyroid . Cardiomediastinal and hilar contours are normal . There are unchanged aortic knob calcifications .
    OUTPUT:
    
No acute cardiopulmonary process .