It is well known fact that postoperative whole breast radiation therapy (RT) in left breast cancer patient can cause cardiac problem according to the exposed dose. In the several studies in other countries, it was repeatedly showed that RT on prone position can reduce cardiac exposed RT dose in left breast cancer. However, the effectiveness of prone position in RT is not studied in the Korean women have relatively small breast. The investigators planned this study to evaluate the real efficacy of prone position in Korean breast cancer treated with RT.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
50
Samsung Medical Center
Seoul, South Korea
RECRUITINGIrradiated cardiac dose
Time frame: At simulation, expected average of 1 week
Irradiated dose of left anterior descending artery
Time frame: At simulation, expected average of 1 week
Irradiated lung dose
Time frame: At simulation, expected average of 1 week
Clinical target volume (volume, homogeneity index, conformity index)
Time frame: At simulation, expected average of 1 week
Irradiated dose of axillary lymphatic area
Time frame: At simulation, expected average of 1 week
Skin change after RT
Time frame: At 3 months after RT completion
Breast shape after RT
Time frame: At 6 months after RT completion
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