title: Does gastroscopic diagnosis need direct vision brushing cytology?
mesh_terms: D001706:Biopsy; D003581:Cytodiagnosis; D004938:Esophageal Neoplasms / Q000175:diagnosis; D005773:Gastroscopy; D006801:Humans; D008722:Methods; D013274:Stomach Neoplasms / Q000175:diagnosis