[Clinicopathologic features of cases with negative pathologic results after endoscopic submucosal dissection].

Min Jung Kwon, Jong Jae Park, Jae Won Yun, Hye Jin Noh, Dae Woong Yoon, Won Jin Chang, Ha Young Oh, Baek Hui Kim, Hyunjoo Lee, Moon Kyung Joo, Beom Jae Lee, Ji Hoon Kim, Jong Eun Yeon, Jae Seon Kim, Kwan Soo Byun, Young Tae Bak