Beam divergence, junctioning and normalisation

Question 1

The Breast Target: field borders
-medial
-lateral
-superior
-inferior
-anterior

Answer 1

-midline
-1.5cm post to breast tissue
-approx level of SSN
-1.5cm inf of breast tissue
-overshoot breast tissue by 2cm

Question 2

Tangents – The Basics

Answer 2

anterior border must allow for set up error and possible swelling. . 2cm beyond body contour