Figure 1From: Cytokine levels as biomarkers of radiation fibrosis in patients treated with breast radiotherapyDistributions of serum interleukin 6 and plasma connective tissue growth factor. Distributions of serum IL6 (a) and plasma CTGF (b) in 26 cases with fibrosis and 44 controls without fibrosis selected from UK START Trial A patients (SD = standard deviation, IQR = interquartile range).Back to article page