Advanced Skills in Modern Radiotherapy 2018

Partial breast irradiation indication guidelines

ESTRO •

ASTRO •

>50 years

≥60 years

•

• Invasive ductal or other favorable subtypes • Pure DCIS not allowed • ER status positive • pT1 : ≤2 cm • Negative surgical margins by at least 2 mm • Unicentric only, Clinically unifocal with total size ≤2.0 cm • pN0 (i - , i + ) (by SLNB or ALND)

IDC, mucinous, tubular, medullary, and colloid cc.

• Associated LCIS allowed but not DCIS • Any grade, ER, PR • pT1–2 ( ⩽ 30 mm) • Negative surgical margins ( ⩾ 2 mm) • Unicentric, Unifocal • pN0 (by SLNB or ALND)

Polgar, Radiother Oncol 2010

Smith IJROBP 2009