Table 1 The demographic and baseline characteristics of the patients with stage IE/IIE primary breast lymphoma
Characteristics | No.(n = 67) | % |
|---|---|---|
Age | ||
 Median | 53.4 |  |
 Range | 21–82 |  |
Laterality | ||
 Left | 30 | 44.8 |
 Right | 37 | 55.2 |
Tumor size | ||
 Median | 3.7 |  |
 Range | 1.4–10.0 |  |
Nodal sites involved at diagnosis | ||
 None | 32 | 47.8 |
 Axillary | 22 | 32.8 |
 Supraclavicular ± axillary | 13 | 19.4 |
B symptoms | ||
 Absent | 63 | 94.0 |
 Present | 4 | 6.0 |
Ann arbor stage | ||
 IE | 43 | 64.2 |
 IIE | 24 | 35.8 |
LDHa | ||
 Elevated | 16 | 23.9 |
 Normal | 40 | 59.7 |
 Unknown | 11 | 16.4 |
Pathological types | ||
 DLBCLb | 50 | 74.6 |
 MALTc | 2 | 3.0 |
 FLd | 3 | 4.5 |
 HLe | 3 | 4.5 |
 Others | 9 | 13.4 |
CD20 | ||
 Positive | 62 | 92.5 |
 Negative | 5 | 7.5 |