Table 4.

Tumor Volumetry Results according to Pathological Response Index

Volumetry	TRG		T Downstage		N Downstage		Overall Downstage
	0/1	2/3	Yes	No	Yes	No	Yes	No
VPre-Therapy	40.58±57.05	32.43±26.85	36.44±57.58	34.35±27.58	37.79±46.29	31.70±27.60	19.54±14.96	42.00±43.91
P Value	0.386		0.827		0.486		0.015
VPost-Therapy	13.43±15.04	17.93±16.59	13.26±16.66	17.92±15.90	15.38±13.82	17.85±18.64	6.71±6.68	20.98±17.26
P Value	0.251		0.240		0.498		<0.001
TVRR	65.91±17.68	46.20±25.44	59.98±20.75	48.11±26.13	54.75±20.59	48.09±29.41	66.28±45.03	16.50±25.65
P Value	<0.001		0.052		0.240		<0.001