Comparison of Set-up Reproducibility Between Prone and Supine Intensity Modulated Radiotherapy (IMRT) for the Adjuvant Treatment of Breast Carcinoma After Lumpectomy

Comparison of Set-up Reproducibility Between Prone and Supine Intensity Modulated Radiotherapy (IMRT) for the Adjuvant Treatment of Breast Carcinoma After Lumpectomy

10 patients will be treated alternating daily between prone and supine position for breast radiotherapy to compare set-up accuracy. Prone treatment will be given on the odds days and supine treatment on the even days.

Inclusion Criteria:

• female patients
• multidisciplinary decision of adjuvant radiotherapy after lumpectomy for breast cancer
• minimum 18 years
• informed consent obtained, signed and dated before specific protocol procedures.

Exclusion Criteria:

• mastectomy
• need for axillary irradiation
• bilateral breast irradiation
• previous irradiation at the same time
• pregnant or breastfeeding
• mental condition rendering the patient unable to understand the nature, scope and possible consequences of the study.
• patient unlikely to comply with the protocol; i.e. uncooperative attitude, inability to return for follow-up visits, and unlikely to complete the study.