Observational Study
Copyright ©The Author(s) 2020.
World J Gastrointest Oncol. Dec 15, 2020; 12(12): 1428-1442
Published online Dec 15, 2020. doi: 10.4251/wjgo.v12.i12.1428
Table 1 Patient and treatment characteristics (n = 88), n (%)
Characteristicn = 88
Age, median (yr, range)63 (34-93)
Sex
Male42 (47.7)
Female46 (52.3)
Location
Colon25 (28.4)
Rectum63 (71.6)
cT stage
T4a44 (50)
T4b44 (50)
cN stage
N07 (8)
N137 (42)
N244 (50)
cTNM stage
II6 (6.8)
III82 (93.2)
Tumor grade
Well differentiated4 (4.6)
Moderately differentiated72 (81.8)
Poorly differentiated12 (13.6)
Pretreatment CEA (ng/mL)
≤ 546 (52.3)
> 542 (47.7)
Preoperative chemotherapy
FOLFOX75 (85.2)
Capecitabine13 (14.8)
Radiation technique
Tomotherapy24 (27.9)
Volumetric arc therapy49 (57)
Conformal radiotherapy15 (15.1)
Radiation dose (Gy)
< 5026 (29.5)
≥ 5062 (70.5)
Radiation-surgery interval (wk, range)9 (5-40)