title: Role of EUS and EUS-guided FNA in the diagnosis of rectal implantation cyst at an anastomosis site after a previous low anterior resection for a rectal cancer without evidence of cancer recurrence.
mesh_terms: D000368:Aged; D044963:Biopsy, Fine-Needle / Q000379:methods*; D003113:Colonoscopy; D003560:Cysts / Q000175:diagnosis*; D019160:Endosonography; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000601:surgery*