RETRACTED ARTICLE: Pre-treatment DWI as a predictor of overall survival in locally advanced pancreatic cancer treated with Cyberknife radiotherapy and sequential S-1 therapy

Table 1 Scanning parameters of MR sequences

Sequences	TR/TE (msec)	FOV (cm × cm)	Matrix	Thickness/gap (mm)	Flip angle(⁰)	No of Slices	NEX^a	Bandwidth (KHz)	Speed factor
MRCP	7000/1200	30 × 30	288 × 288	50/0	–	6	0.92	31.25	–
T1WI GRE	4.3/1.3	44 × 40	320 × 224	5 mm volume	12	–	1	166.67	1.79
T2WI	6316/72	38 × 38	330 × 192	5/1	90	22	2	83.33	1.25
DWI	6000/56.5	38 × 30	96 × 128	5/1	90	25	1/4^a	250	2
Contrast-enhanced T1WI GRE	4.3/1.3	44 × 40	320 × 224	5 mm volume	12	–	1	166.67	1.79

^aNEX = 1 for DWI at b₀, NEX = 4 for DWI at b₆₀₀
MRCP Magnetic resonance cholangiopancreatography, T2WI T2 Weighted imaging
T1WI GRE T1 Weighted imaging gradientrecalledecho, DWI Diffusing weighted imaging

ISSN: 1470-7330