7Adli M, Mayr NA, Kaiser HS, et al. Dose prone positioning reduce small bowel dose in pelvic radiation with intensity modulated radio- therapy for gynecologic cancer[ J]. Int J Radiant Oncol Biol Phys, 2003,57(2) :230 -238.
8Kim TH, Chic EK, Kim DL, et al. Comparison of the belly board de- vice method and the distended bladder method for reducing irradia- ted small bowel volumes in preoperative radiotherapy of rectal cancer patients [ J ]. Radiant Oncol Biol Phvs.2005.62 ( 3 ) :769 - 775.
10Stroom J C, de Boer J C, Huizenga H, et al. Inclusion of geometrical- uncertainties in radiotherapy treatment planning by means of cover- age probility [ J ]. Int J Radiat Oncol Biol Phys, 1999,43 (4) :905 - 919.
4Sundar S, Symonds P, Deehan C. Tolerance of pelvic organs to radiation treatment for carcinoma of cervix. Clin Oncol, 2003, 15: 240- 247.
5Mundt AJ, Lujan AE, Rotmenseh J, et al. Intensity-modu-lated whole pelvic radiotherapy in women with Gyneeologicmalignancies. Int J Radiat Oncol Biol Phys, 2002, 52: 1330-1337.
6van de Bunt L, van der Heide UA, Ketelaars M, et al. Con-ventional, con formal, and intensity-modulated radiationtherapy treatment planning of external beam radiotherapy for cervical eaneer:the impact of tumor regression. Int J Radiat Oneol Biol Phys, 2006, 64: 189-196.
7Lyman JT. Complication probability as assessed from dose volume histograms. Rad Res, 1985, 104:S13-S19.
8Beltelrud KL, Mehta MP, Shanahan TG, et al. Bellyboard device reduces small bowel displacement. Radiol Technol, 1991, 62: 284- 287.
9Gallagher MJ, Brereton HD, Rostock RA, et al. A prospective study of treatment techniques to minimize the volume of pelvic small bowel with reduction of acute and late effects associated with pelvic irradiation. Int J Radiat Oncol Biol Phys, 1986, 12: 1565-1573.
10Letschert JGJ. The prevention of radiation-induced small bowel complications. EurJ Cancer, 1995, 31A: 1361-1365.