Table 2.

Comparison of the overall response (OR) group with the conventional ultrasound (US) parameters before and after the first three cycles of chemotherapy.

Parameter	Pre-treatment	In-treatment	P-value
D	3.640±0.981	2.049±0.735	0.000
E	4.474±0.439	4.411±0.470	0.100
RI	0.523±0.097	0.516±0.085	0.550
PS	21.794±7.300	19.977±4.459	0.030

D – maximum diameter; E – the elasticity index; RI – the resistance index; PS – the peak systolic flow velocity.