Table 5.

Pathologic response rate following surgery for the PPS^†

Tumor response	SG1 n = 60	SG2 n = 67	p-value
Pathologic tumor response			0.0217
pCR	11(18%)	17(25%)
pPR	43 (72%)	50 (75%)
pSD	6 (10%)	0 (0%)
Pathologic T stage			0.0008
T0	14 (23%)	21 (31%)
Tis	2 (3%)	1 (2%)
T1	3 (5%)	4 (6%)
T2	15 (25%)	19 (28%)
T3	26 (43%)	19 (28%)
T4	0 (0%)	2 (3%)
Pathologic N stage			0.6606
N0	45 (75%)	50 (75%)
N1	7 (12%)	10 (15%)
N2	8 (13%)	7 (10%)

^†Per-Protocol Set as described in Figure 2. Abbreviations: pCR - Pathologic complete response; pPR - Pathologic partial response; pSD - Stable disease.