Evaluation of Sentinel Lymph Node Dose Distribution in 3D Conformal Radiotherapy Techniques in 67 pN0 Breast Cancer Patients

Table 1

Histopathological tumour characteristics with T-classification according to the TNM system, ER = estrogen receptor; PR = progesteron receptor; SD = standard deviation.

	Number
TNM
Tis	0
T1	42
T2	25
T3	0
Total	67
ER
Positive	61
Negative	6
Total	67
PR
Positive	55
Negative	12
Total	67
Her2 neu
Positive (overexpression)	7
Negative	60
Total	67
Margins	In mm
Mean (SD)	4.6 (2.8)
Min	0.5
Max	10
Location	Outside	Inside
Upper	37	20
Lower	5	5