Anal Fistula An anal fistula is a sort of tunnel that develops involving the anus and the skin when an infection while in the anal glands (sweat glands) happens, or in people with severe underlying perianal Crohn's condition. Affected person selection for urgent endoscopic retrograde cholangio-pancreatography by endoscopic ultrasound in https://fazchip.de/2024/08/01/vom-sous-vide-zur-lagerung-wie-ein-vakuumierer-die-essenszubereitung-verandert/