Effects of Variable Placement of Superior Tangential/Supraclavicular Match Line on Dosimetric Coverage of Level III Axilla/Axillary Apex in Patients Treated With Breast and Supraclavicular Radiotherapy

Placement of the superior tangential/supraclavicular match line caudal to the clavicular head results in statistically improved dosimetric coverage of the Level III axilla/axillary apex in breast cancer patients undergoing tangential/supraclavicular radiotherapy.