<prompt> Poly arteritis nodosa does not involvePulmonary arteryBronchial arteryRenal arteryCerebral artery  <response>: Polyarteritis nodosa PAN is a systemic vasculitis of small or medium sized muscular arteries, typically involving renal and visceral vessels but sparing the pulmonary circulation. P A N --- Pulmonary artery not involved.P ANCA -negative 