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Partial breast irradiation – low-risk breast cancer
patients
Age
Tumor
size
Histology
Lymph
node
status
Margin status
ASTRO
Correa
et al.
PRO 2017
≥ 50
≤ 2 cm Non-lobular
DCIS
Grade 1-2
Unifocal
ER+
No LVI
Negative Negative
(≥ 2 mm)
GEC-
ESTRO
Polgar
et al.
RO 2010
≥ 50
≤ 3 cm Non-lobular
Unifocal
Any ER status
No LVI
Negative Negative
(≥ 2 mm)