Anatomy

Question 1

Describe the anatomy of pectoralis minor and major and level 1-3 axillary nodes

Answer 1

Question 2

Define the anatomic breast borders

Answer 2

Inferior border of clavicular head or 2nd anterior rib (superior) and loss of apparent breast parenchyma or 6th anterior rib (inferior), miadaxillary line (lateral), and sternum-rib junction (medial).

Breast contouring should include all of the glandular breast tissue and the clinically apparent breast mound

Question 3

Define the anatomical borders for axillary lymph node level 1

Answer 3

inferior and lateral to pectoralis minor

Question 4

Define the anatomical borders for axillary lymph node level 2

Answer 4

subpectoral and constrained by pectoralis minor, includes Rotter nodes

Question 5

Define the anatomical borders for axillary lymph node level 3

Answer 5

medial and superior to pectoralis minor, should always be contoured if targeted and should be entirely within the SCV field when treating with 3D

Question 6

Define the anatomical borders of internal mammary nodes:

Answer 6

superior aspect of medial 1st rib (superior) to superior aspect of 4th rib (inferior)

Question 7

Define the anatomical borders for supraclavicular nodes

Answer 7

cricoid (superior), inferior border of clavicular head (inferior)