目的：研究内镜窄带成像技术在早期食管癌及其癌前病变的运用价值。
Objective:To study the value of the endoscopic narrow band imaging technique in distinguish the early esophageal cancer and premalignant lesions .
探讨内镜窄带成像技术(NBI)在食管癌及癌前病变诊断中的价值。
To assess the value of narrow-band imaging (NBI) in diagnosis of early cancer and premalignant lesions in esophagus.
探讨内镜窄带成像技术(NBI)在食管癌及癌前病变诊断中的价值。
To assess the value of narrow-band imaging (NBI) in diagnosis of early cancer and premalignant lesions in esophagus.
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