Skip to main content

Table 1 Patients and tumor characteristics

From: Accelerated partial breast irradiation in the elderly: 5-year results of high-dose rate multi-catheter brachytherapy

Characteristics n %/range
Median age 81.4 [62 – 93]
APBI category   
 Suitable 43 61.4
 Cautionary 13 18.6
 Non suitable 14 20
Histological subtype   
 IDC 61 87.1
 ILC 3 4.3
 OIC 1 1.4
 DCIS 5 7.1
Median tumor size (mm)   
  11 [1.3 – 35]
pN category   
 pNx 4 5.7
 pN0 58 82.9
 pN1 7 10.1
 pN2 1 1.4
Histological grading   
 1 24 34.3
 2 28 40
 3 16 22.9
 unknown 2 2.8
Hormonal status   
 ER+/PR+ 43 61.4
 ER+/PR- 14 20
 ER-/PR+ 2 2.9
 ER-/PR- 6 8.6
 unknown 5 7.1
Her2 status   
 negative 55 78.6
 + 1 1.4
 ++ 3 4.3
 +++ 6 8.6
 unknown 5 7.1
LVI   
 yes 3 4.3
 no 19 27.1
 unknown 48 68.6
PNI   
 yes 1 1.4
 no 14 20
 unknown 55 78.6
Median Ki67 (%)   
 12.5 [5 – 40]  
EIDC   
 yes 5 7.1
 no 61 87.2
 unknown 4 5.7
Clear margins   
  70 100
Systemic therapy   
 HT   
  yes 56 80
  no 14 20
 CT   
  yes 3 4.3
  no 67 95.7
  1. IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, OIC other invasive carcinoma, DCIS ductal carcinoma in situ, LVI Lympho-vascular invasion, PNI Peri-neural invasion, EIDC Extensive intra-ductal component, HT Hormonal therapy, CT Chemotherapy.