Unusual cause of CA 19.9 elevation diagnosed by endoscopic ultrasound-guided fine needle aspiration: a retrorectal tailgut cyst

P. Pinto-Marques, J. Damião-Ferreira, E. Mendonça, A. Gaspar, M. Mafra, F. Mateus
2012 Endoscopy  
doi:10.1055/s-0032-1309757 pmid:22715017 fatcat:ld26bopv4bgixa2b64t45musgy