PET/CT lesion delineation for RTP using a novel Volume and Contrast Adjusted Thresholding (VCAT) method. Research Authors M. Aly, P. Julyan, C. Rowbottom, B. Yap, M. Harris, D. Hastings Research Department Department of Radiotherapy and Nuclear medicine Research Journal Radiotherapy and Oncology 94: S37 Research Member Moamen Mohamed Omran Moustafa Aly Research Rank 1 Research Year 2010