Table 3

Serum CEA and CA 15.3 levels in patients with metastatic breast adenocarcinoma by site of metastasis

Site of metastasisNo. of patientsSerum marker levelsa
CEA (>5 ng/ml)CA 15.3 (>30 U/ml)CEA and/or CA 15.3
Cutis102 (20.0)6 (60.0)6 (60.0)
Lymph nodes387 (18.4)23 (60.5)23 (60.5)
Bone12347 (38.2)93 (75.6)95 (77.2)
Visceralb11755 (47.0)102 (87.2)106 (90.6)
Total288111 (38.5)224 (77.8)230 (79.9)
  • a Numbers in parentheses represent percentages.

  • b Liver metastasis: CEA-positive, 23 of 46 (50.0%); CA 15.3-positive, 40 of 46 (87.0%); CEA- and/or CA 15.3-positive, 43 of 46 (93.5%).