can zenker's diverticulum cause cancer?
ABSTRACT The incidence of cancer in a pharyngoesoph- ageal (Zenker's) diverticulum was 0.4% among 1,249 pa- tients treated for such diverticula at the Mayo Clinic in a 53-year period. Twenty-four patients with squamous cell carcinoma arising in a pharyngoesophageal diverticulum have been reported by others.