Gastric lavage cytology and bopsy for early gastric cancer under direct vision by the fibergastroscope.
D001706:Biopsy; D003581:Cytodiagnosis; D005751:Gastric Lavage; D005773:Gastroscopy; D006801:Humans; D008722:Methods; D013274:Stomach Neoplasms / Q000175:diagnosis*