[Application of MRI in the neoplasm staging of rectal cancer before operation].
Zhang
Xiao-peng
XP
zxp@bjcancer.org
Sun
Ying-shi
YS
D006801:Humans; D008279:Magnetic Resonance Imaging; D009367:Neoplasm Staging; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000473:pathology