Table 1 The characteristics of 215 patients with breast cancer
Characteristic | No. (%) | |
|---|---|---|
Age (yr), mean ± SD | 46.41 ± 9.82 | |
Age (yr) | ||
 <35 | 32 (14.9) | |
 >35 | 183 (85.1) | |
Histology | ||
 Ductal | 198(92.1) | |
 Lobular | 5(2.3) | |
 Others | 12(5.6) | |
T stage | c Ta | p Ta |
 T0-T1 | 3 (1.4) | 131(60.9) |
 T2 | 108(50.2) | 64(29.8) |
 T3 | 84 (39.1) | 7(3.3) |
 T4 | 20 (9.3) | 13(6.0) |
N stage | c Na | p Na |
 N0 | 46 (21.4) | 89(41.4) |
 N1 | 108 (50.2) | 55(25.6) |
 N2 | 43 (20.0) | 43(20.0) |
 N3 | 18 (8.4) | 28(13.0) |
TNM stage | cTNM stagea | pTNM stagea |
 0 | 0 | 26(12.1) |
 I | 0 | 36(16.7) |
 II | 108(50.2) | 80(37.2) |
 III | 107(49.8) | 72(33.5) |
 IV | 0 | 1(0.5) |
HG | ||
 I | 68 (31.6) | |
 II | 93 (43.3) | |
 III | 54 (25.1) | |
ER | ||
 - | 65 (30.2) | |
 + | 150 (69.8) | |
PR | ||
 - | 73 (34.0) | |
 + | 142 (66.0) | |
HER2 | ||
 - | 138 (64.2) | |
 + | 77 (35.8) | |
Molecular subtype | ||
 Luminal A | 120 (55.8) | |
 Luminal B | 52 (24.2) | |
 HER2-enriched | 25 (11.6) | |
 Triple-negative | 18 (8.4) | |
Chemotherapy regimen | ||
 EC | 13(6.0) | |
 TC | 18(8.4) | |
 TEC | 161(74.9) | |
 TCH | 23 (10.7) | |
Surgery | ||
 Breast-conserving surgery | 89(41.4) | |
 Modified mastectomy | 126(58.6) | |
Chemotherapy cycles | ||
 3 | 40(18.6) | |
 4 | 150(69.8) | |
 >4 | 25(11.6) | |
pCR | ||
 Yes | 42(19.5) | |
 No | 173(80.5) | |
Relapse (local and distant) | ||
 Yes | 39 (18.1) | |
 No | 176 (81.9) | |
Death | ||
 Yes | 32 (14.9) | |
 No | 183 (85.1) | |
Follow-up time (months) | ||
 Median | 55.0 | |
 Mean | 57.6 ± 27.1 | |
 Range | 36.1, 75.8 | |