1. The Clinical Outcomes of Surgical Therapy Study Group. A comparison of laparoscopically assisted and open colectomy for colon cancer. N Engl J Med. 2004; 350:2050–9.
2. Veldkamp R, Kuhry E, Hop WC, Jeekel J, Kazemier G, Bonjer HJ, et al. Colon cancer Laparoscopic or Open Resection Study Group (COLOR). Laparoscopic surgery versus open surgery for colon cancer: short-term outcomes of a randomized trial. Lancet Oncol. 2005; 6:477 –84.
3. Guillou PJ, Quirke P, Thorpe H, Walker J, Jayne DG, Smith AM, et al. MRC CLASICC Trial Group. Short-term endpoints of conventional versus laparoscopicassisted surgery in patients with colorectal cancer (MRC CLASICC trial): multicentre, randomised controlled trial. Lancet. 2005; 365:1718–26.
4. Kitano S, Iso Y, Moriyama M, Sugimachi K. Laparoscopy-assisted Billroth I gastrectomy. Surg Laparosc Endosc. 1994; 4:146–48.
5. Kim HH, Hyung WJ, Cho GS, Kim MC, Han SU, Kim W, et al. Morbidity and mortality of laparoscopic gastrectomy versus open gastrectomy for gastric cancer: an interim report—a phase III multicenter, prospective, randomized trial (KLASS Trial). Ann Surg. 2010; 251:417 –20.
6. Pak KH, Hyung WJ, Son T, Obama K, Woo Y, Kim HI, et al. Long-term oncologic outcomes of 714 consecutive laparoscopic gastrectomies for gastric cancer: results from the 7-year experience of a single institute. Surg Endosc. 2012; 26:130–6.
Article
7. Yoo HM, Lee HH, Shim JH, Jeon HM, Park CH, Kim JG, et al. Long-term outcomes and survival after laparoscopy-assisted distal gastrectomy for gastric cancer: three-year survival analysis of a single-center experience in Korea. J Surg Oncol. 2011; 104:511–5.
Article
8. Ikeguchi M, Ohfuji S, Oka A, Tsujitani S, Maeda M, Kaibara N. Synchronous and metachronous primary malignancies in organs other than the stomach in patients with early gastric cancer. Hepatogastroenterology. 1995; 42:672–6.
9. Lee JH, Bae JS, Ryu KW, Lee JS, Park SR, Kim CG, et al. Gastric cancer patients at high-risk of having synchronous cancer. World J Gastroenterol. 2006; 12:2588–92.
Article
10. Saito S, Hosoya Y, Togashi K, Kurashina K, Haruta H, Hyodo M, et al. Prevalence of synchronous colorectal neoplasms detected by colonoscopy in patients with gastric cancer. Surg Today. 2008; 38:20–5.
Article
11. Zhu QL, Zheng MH, Feng B, Lu AG, Wang ML, Li JW, et al. Simultaneous laparoscopy-assisted low anterior resection and distal gastrectomy for synchronous carcinoma of rectum and stomach. World J Gastroenterol. 2008; 14:3435–7.
Article
12. Matsui H, Okamoto Y, Ishii A, Ishizu K, Kondoh Y, Igarashi N, et al. Laparoscopy-assisted combined resection for synchronous gastric and colorectal cancer: report of three cases. Surg Today. 2009; 39:434–9.
Article
13. Ueno M, Muto T, Oya M, Ota H, Azekura K, Yamaguchi T. Multiple primary cancer: an experience at the Cancer Institute Hospital with special reference to colorectal cancer. Int J Clin Oncol. 2003; 8:162–7.
Article
14. Lee SH, Ahn BK, Baek SU. Multiple primary cancers in extracolonic sites with colorectal cancer. Int J Colorectal Dis. 2009; 24:301–4.
Article
15. Lee WS, Lee JN, Choi ST, Jung M, Baek JH, Lee WK. Multiple primary malignancies involving colorectal cancer-clinical characteristics and prognosis with reference to surveillance. Langenbecks Arch Sur. 2010; 395:359–64.
Article
16. Tokunaga M, Hiki N, Fukunaga T, Kuroyanagi H, Miki A, Akiyoshi T, et al. Laparoscopic surgery for synchronous gastric and colorectal cancer: a preliminary experience. Langenbecks Arch Surg. 2010; 395:207–10.
Article
17. Lee J, Nam Y, Kim W. Simultaneous laparoscopy-assisted distal gastrectomy and right hemicolectomy for synchronous advanced gastric and colon cancer. Surg Laparosc Endosc Percutan Tech. 2010; 20:257–61.
Article
18. Nishikawa M, Higashino M, Tanimura S, Fukunaga Y, Tokuhara T. Three cases of synchronous laparoscopic resection for gastric and colonic cancer. Surg Laparosc Endosc Percutan Tech. 2010; 20:e218–25.
Article
19. Hanai T, Uyama I, Sato H, Masumori K, Katsuno H, Ito M, et al. Laparoscopic Assisted Synchronous Gastrectomy and Colectomy with Lymphadenectomy for Double Cancer in our Experience. Hepatogastroenterology. 2012; 59:2177–81.
Article
20. Tagaya N, Kasama K, Suzuki N, Taketsuka S, Horie K, Kubota K. Simultaneous laparoscopic treatment for diseases of the gallbladder, stomach, and colon. Surg Laparosc Endosc Percutan Tech. 2005; 15:169–71.
Article