Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Feb 14, 2017; 23(6): 1051-1058
Published online Feb 14, 2017. doi: 10.3748/wjg.v23.i6.1051
Figure 1
Figure 1 Narrow Band Imaging observations in individual regions from the oropharynx to the pharynx. A : The view seen from the entrance of the oral cavity: dorsal side of tongue, hard palate and soft palate; B: Uvula, palatoglossal arch and lateral walls of oropharynx; C: Posterior wall of oropharynx; D: The lateral wall of oropharynx; E: Vallecula of epiglottis, median glossoepiglottic fold; F: The right side of epiglottis, base of tongue; G: Vocal cord, arytenoids and aryepiglottic fold; H: Post-cricoid area and posterior wall of hypopharynx; I: The lateral wall and apex of right piriform sinus.
Figure 2
Figure 2 Cumulative risk of metachronous head and neck squamous cell carcinoma after treatment of esophageal squamous cell carcinoma. ESCC: Esophageal squamous cell carcinoma.