Grade 3 or higher late GI toxicity was reduced in the IG-IMRT group (4.4%) versus in the 3DCRT group (10.1%), but this did not reach statistical significance ( P = 0.071; Table 3 ).
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A retrospective comparison of outcome and toxicity of preoperative image-guided intensity-modulated radiotherapy versus conventional pelvic radiotherapy for locally advanced rectal carcinoma.
1
0.0710
0.0710