From: Invasive micropapillary carcinoma of the breast overexpresses MUC4 and is associated with poor outcome to adjuvant trastuzumab in HER2-positive breast cancer
Expression of MUC4 and IMPC
Age (years)
MUC4 negative
MUC4 positive/IMPC negative
MUC4 positive/IMPC positive
P
< 50
13 (42.0)
22 (56.4)
13 (81.3)
0.036
≥50
18 (58.0)
17 (43.6)
3 (18.7)