<prompt> All are true about parotid fistula exceptComplication of superficial parotidectomyTreated with Newman and sea Brocks operationInternal fistula are symptomaticIOC is Sialogram  <response>: Internal Fistulas are that open inside mouth and are Asymptomatic.External Fistulas are 2 types -i Gland fistulaii Duct fistulaTreated with New man and Sea brocks operation. 