Table 2.
Relationship between receptor groups and serosal/visceral metastasis.
| Variables | Receptor group | ||||
|---|---|---|---|---|---|
| ER and/or PR (+), HER2 (−) | ER and/or PR (+), HER2 (+) | ER (−), PR (−), HER2 (−) | ER (−), PR (−), HER2 (+) | P value | |
| Non-special type of invasive carcinoma, n (%) | 346 (76.4) | 226 (91.5) | 70 (81.4) | 59 (88.1) | <.001 |
| Metastasis, n (%) | 141 (31.1) | 88 (35.6) | 34 (39.5) | 21 (31.3) | <.001 |
| Serosal metastasis | 17 (3.8) | 9 (3.6) | 3 (3.5) | 0 (0) | .006 |
| Visceral metastasis | 70 (15.5) | 52 (21.1) | 14 (16.3) | 17 (25.4) | <.001 |
| Serosal + visceral metastasis | 54 (11.9) | 27 (10.9) | 17 (19.8) | 4 (6) | <.001 |