| Gastroenterology / Original Article											Synchronous second primary cancers in patients with squamous esophageal cancer: clinical features and survival outcome Jin Seo Lee, Ji Yong Ahn, Kee Don Choi, Ho June Song, Yong Hee Kim, Gin Hyug Lee, Hwoon-Yong Jung, Jin-Sook Ryu, Sung-Bae Kim, Jong Hoon Kim, Seung-Il Park, Kyung-Ja Cho, Jin-Ho Kim 
												Korean J Intern Med. 2016;31(2):253-259.   Published online February 11, 2016												 
													Background/Aims: Unexpected diagnosis of synchronous second primary cancers (SPC) complicates physicians’ decision-making because clinical details of squamous esophageal cancer (EC) patients with SPC have been limited. We evaluated clinical features and treatment outcomes of patients with synchron..												 |