Table 2 Clinicopathological characteristics (n = 473)

From: Ductal carcinoma in situ of the breast: immune cell composition according to subtype

Age at diagnosis (in years)

 

- Median (range)

58 (27–84)

Surgery (%)

 

 - Breast-conserving surgery

293 (62)

 - Mastectomy

180 (38)

Diameter (in cm)

 

 - Median (range)

2.00 (0.1–23.0)

 - Missing (n)

65

Growth pattern (%)

 

 - Solid

239 (51)

 - Cribriform

190 (40)

 - Micropapillary

37 (8)

 - Papillary

7 (1)

Grade (%)

 

 - Low

63 (13)

 - Intermediare

166 (35)

 - High

244 (52)

Calcification (%)

 

 - Absent

134 (28)

 - Present

339 (72)

Comedonecrosis (%)

 

 - Absent

234 (49)

 - Present

239 (51)

TILs density (%)

 

 - Minimal

212 (45)

 - Mild

110 (23)

 - Moderate

113 (24)

 - Severe

38 (8)

TILs distribution (%)

 

 - Focal

71 (15)

 - Patchy

133 (28)

 - Diffuse

57 (12)

 - N.A.

212 (45)

Immunohistochemical subtype (%)

 

 - ER+PR±HER2−

255 (54)

 - ER+PR±HER2+

80 (17)

 - ER−PR−HER2+

85 (18)

 - ER−PR−HER2−

22 (5)

 - Missing

31 (7)

Ipsilateral recurrence (%)

 

 - None

450 (95)

 - Ductal carcinoma in situ

4 (1)

 - Invasive breast cancer

5 (1)

 - Invasive breast cancer and metastasis

5 (1)

 - Metastasis

2 (0)

 - Missing

7 (2)