Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 28, 2013; 19(4): 511-515
Published online Jan 28, 2013. doi: 10.3748/wjg.v19.i4.511
Table 2 2×2 Contingency table
Absence of muscularis involvement path
Yes1No
Muscularis involvement EUS
No364
Yes152