 [ Symptoms ] i have chronic shortness of breath [ Disease ] i think she means ” thermal cautery” its a more permenant procedure by applying heat in the duct which creates scar tissue to block the hole…she will use local anesthetic in the surgery maybe after surgery u may feel foreign body sensation orvnot which will go away after a while topical antibiotic is gonna be prescribed after syrgery to avoid any possible postoperative infection also recanalization can occur after a while but its not common to happen