title: [Ulcer-cancer or early or advanced ulcerative cancer: an habitual diagnosis challenge: contribution of endoscopy and pathology].
authors.forename: R S
authors.initials: RS
authors.lastname: Lucero
authors.forename: J O
authors.initials: JO
authors.lastname: Zárate
mesh_terms: D003937:Diagnosis, Differential; D005773:Gastroscopy; D006801:Humans; D013274:Stomach Neoplasms / Q000150:complications / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000150:complications / Q000175:diagnosis*