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©2012 Baishideng Publishing Group Co., Limited. All rights reserved.
World J Gastroenterol. Oct 21, 2012; 18(39): 5589-5594
Published online Oct 21, 2012. doi: 10.3748/wjg.v18.i39.5589
Published online Oct 21, 2012. doi: 10.3748/wjg.v18.i39.5589
Photodynamic therapy prolongs metal stent patency in patients with unresectable hilar cholangiocarcinoma
Tae Yoon Lee, Young Koog Cheon, Chan Sup Shim, Digestive Disease Center, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul 143-729, South Korea
Young Deok Cho, Institute for Digestive Research and Digestive Disease Center, Soonchunhyang University College of Medicine, Seoul 140-743, South Korea
Author contributions: Cheon YK and Shim CS designed the research; Cheon YK and Cho YD performed the research; Lee TY and Cheon YK analyzed the data; and Lee TY and Cheon YK wrote the paper.
Correspondence to: Young Koog Cheon, MD, PhD, Professor, Digestive Disease Center, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 143-729, South Korea. yksky001@hanmail.net
Telephone: +82-2-20308195 Fax: +82-2-20305029
Received: June 1, 2012
Revised: August 16, 2012
Accepted: August 25, 2012
Published online: October 21, 2012
Revised: August 16, 2012
Accepted: August 25, 2012
Published online: October 21, 2012
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