RID	Radiation-Induced Dermatitis
RT	Radiotherapy
Gy	Gray (Unit)
SP	Spectrophotometry
CTCAE	Common Terminology Criteria for Adverse Effects
RTOG	Radiation Therapy Oncology Group
EORTG	European Organization for Research and Treatment of Cancer
L* max	maximum L value (spectrophotometry)
a* max	maximum a value (spectrophotometry)
b* max	maximum b value (spectrophotometry)
RISRAS	Radiation-Induced Skin Reaction Assessment Scale
fx	Fraction(s)
CF	Conventional Fractionation
HF	Hypofractionation
SD	Standard Deviation
WBI	Whole Breast Irradiation
BMI	Body Mass Index
TNM	TNM Classification of Malignant Tumors
DCIS	Ductal Carcinoma In Situ
HI(D2%–D98%)/D50%	Homogeneity Index(D2%–D98%)/D50%
HI-RTOG	Homogeneity Index (Radiation Therapy Oncology Group)
SW	Sliding Window
VMAT	Volumetric (partial-) arc therapy
IMRT	Intensity-modulated Radiotherapy (sliding-window)
Dmean	Mean dose within the target volume
rel. D2%	Dose received by 2% of the target volume relative to the prescribed dose
rel. D50%	Dose received by 50% of the target volume relative to the prescribed dose
rel. D98%	Dose received by 98% of the target volume relative to the prescribed dose
V≥107%	Volume receiving ≥ 107% of prescribed dose
ANOVA	Analysis Of Variance