Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Gastrointest Endosc. Oct 16, 2021; 13(10): 491-501
Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.491
Figure 3
Figure 3 Trends in the detection modality and clinical stage of pharyngeal cancer. A: A comparison of the proportion of Group gastrointestinal endoscopy between the first and second half periods (2011–2014 and 2015–2018); B: A comparison of the proportion of cTis-1 lesions between first and second half periods (2011–2014 and 2015–2018). Group GE: Group gastrointestinal endoscopy.