Significance of serum carcinoembryonic antigen in metastatic breast cancer patients: A prospective study

Table 1 Association of baseline serum carcinoembryonic antigen with other variables in study population

CEA level	Less than or equal to 3.8	More than 3.8	P value
Pre-menopausal	3	9	0.79
Post-menopausal	11	27
Grade 2	3	9	0.79
Grade 3	11	27
Luminal	6	30	0.016
Her2 Neu	1	2
TNBC	7	4
Luminal	6	30	0.012
Non luminal	8	6
Bone metastases	6	19	0.682
No bone metastases	7	17
Lung metastases	11	25	0.487
No lung metastases	2	11
Liver metastases	3	15	0.392
No liver metastases	10	21
Less than 5 metastases	1	2	0.78
More than 5	12	34
PR/SD/CR	9	23	0.79
Progression	5	13

CEA: Carcinoembryonic antigen; TNBC: Triple negative breast cancer; PR/SD/CR: Partial response/stable disease/complete response.