Total cases
  n= 144

  Pure DCISa
n=110(%)
IDCb
n=34(%)
Lymph nodes
positive
negative
0
110(100)
34(100)
0
ERc
positive
negative
82(74.5)
28(25.4)
19(55.8)
15(44.1)
PgRd
positive
negative
88(80)
22(20)
21(61.7)
13(38.2)
HER2e
positive
negative
41(37.3)
69(62.7)
16(47)
18(53)
aPure DCIS, pure ductal carcinoma in situ
b IDC, invasive ductal carcinoma
c ER, estrogen receptor
d PgR, progesterone receptor
e HER2, human epidermal growth factor receptor 2
Table 5: Associations between patients with an diagnosis of Pure DCIS and IDC according to lymph nodes and triple receptor status.