[1] Young P E, Womeldorph C M. Colonoscopy for colorectal cancer screening. Journal of Cancer, 2013, 4(3): 217-226

[2] Jemal A, Bray F, Center M M, Ferlay J, Ward E, Forman D. Global cancer statistics. CA: a Cancer Journal for Clinicians, 2011, 61(2): 69-90

[3] Benson A B 3rd. Epidemiology, disease progression, and economic burden of colorectal cancer. Journal of Managed Care Pharmacy: JMCP, 2007, 13(6 Suppl C): 5-18

[4] Song M, Ang T.Early detection of early gastric cancer using imageenhanced endoscopy: current trends. Gastrointestinal Intervention, 2014, 3(1): 1-7

[5] Fujiya M, Kohgo Y. Image-enhanced endoscopy for the diagnosis of colon neoplasms. Gastrointestinal Endoscopy, 2013, 77(1): 111- 118.e5

[6] Johansson A, Kromer K, Sroka R, Stepp H. Clinical optical diagnostics: Status and perspectives. Medical Laser Application, 2008, 23(4): 155-174

[7] Hasan M, Wallace M. Image-enhanced endoscopy. Clinical Update, 2009, 16(4): 1-5

[8] Subramanian V, Ragunath K. Advanced endoscopic imaging: a review of commercially available technologies. Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association, 2014, 12(3): 368- 76.e1

[9] amanujam N.Fluorescence spectroscopy of neoplastic and nonneoplastic tissues. Neoplasia, 2000, 2(1- 2): 89-117

[10] Wong KeeSong L M, Banerjee S, Desilets D, Diehl D L, Farraye F A, Kaul V, Kethu S R, Kwon R S, Mamula P, Pedrosa M C, Rodriguez S A, Tierney W M. Autofluorescence imaging. Gastrointestinal Endoscopy, 2011, 73(4): 647-650

[11] Prosst R L, Gahlen J. Fluorescence diagnosis of colorectal neoplasms: a review of clinical applications. International Journal of Colorectal Disease, 2002, 17(1): 1-10

[12] Ferreira D S, Henriques M, Oliveira R, Correia J H, Minas G. Autofluorescence spectroscopy of a human gastrointestinal carcinoma cell line: design of optical sensors for the detection of early stage cancer. In: Proceedings of the International Conference on Biomedical Electronics and Devices 2009, Porto, Portugal. 2009: 61-66

[13] Van Putten P, Ramsoekh D, Haringsma J, Poley J W, Van Dekken H, Steyerberg E, Van M E, Kuipers E J. Autofluorescence endoscopy allows better differentiation than white light video colonoscopy in classifying adenomatous and non-adenomatous colorectal polyps. Gastrointestinal Endoscopy, 2009, 69(5): AB290

[14] Luo X J, Zhang B, Li J G, Luo X A, Yang L F. Autofluorescence spectroscopy for evaluating dysplasia in colorectal tissues. Zeitschrift fur Medizinische Physik, 2012, 22(1): 40-47

[15] Tajiri H. Autofluorescence endoscopy for the gastrointestinal tract. Proceedings of the Japan Academy Series B, Physical and biological sciences, 2007, 83(8): 248-255

[16] Aihara H, Sumiyama K, Saito S, Tajiri H, Ikegami M. Numerical analysis of the autofluorescence intensity of neoplastic and nonneoplastic colorectal lesions by using a novel videoendoscopy system. Gastrointestinal Endoscopy, 2009, 69(3): 726-733

[17] Hirayama A, Kami K, Sugimoto M, Sugawara M, Toki N, Onozuka H, Kinoshita T, Saito N, Ochiai A, Tomita M, Esumi H, Soga T. Quantitative metabolome profiling of colon and stomach cancer microenvironment by capillary electrophoresis time-of-flight mass spectrometry. Cancer Research, 2009, 69(11): 4918-4925

[18] Lunt S Y, Vander Heiden M G. Aerobic glycolysis: meeting the metabolic requirements of cell proliferation. Annual Review of Cell and Developmental Biology, 2011, 27(1): 441-464