Research Article

Breast Cancer Pathology, Receptor Status, and Patterns of Metastasis in a Rural Appalachian Population

Table 4

Patterns of metastatic spread by lymph node status and tumor grade in women with triple-negative and other breast cancers.

No metastases
at followup
Distant
metastatic sites
BoneVisceral

Triple-negative (TN)
 Lymph nodea
  (i) Positive25 (24.3)3 (50.0)15 (68.2)
  (ii) Negative78 (75.7)3 (50.0)7 (31.8)
Other breast cancers
 Lymph node
  (i) Positive99 (20.9)14 (38.9)12 (38.7)
  (ii) Negative375 (79.1)22 (61.1)19 (61.3)
P value 0.6100.4540.033

Triple-negative
 Tumor gradeb
  17 (6.5)00
  220 (18.7)2 (33.3)2 (9.1)
  380 (74.8) 4 (66.7)20 (90.9)
Other breast cancers
 Tumor grade
  166 (16.3)1 (2.9)3 (10.7)
  2155 (38.2)10 (29.4)5 (17.9)
  3185 (45.5)23 (67.7)20 (71.4)
value <0.00010.8390.092

Nodal status not tested in 16 cases.
Tumor grading unavailable in 95 cases.