Purpose: Helical radiation intensity modulated by tomotherapy improves dose distribution to complex and large volumes. The aim of the study was to assess acute toxicity of this technique during breast cancer irradiation after conserving surgery or mastectomy.
Patients And Methods: Cutaneous toxicities, lung and oesophageal side effects, and breast lymphedema were retrospectively collected according to the Common Terminology Criteria for Adverse Events Version 4.