New guidelines to evaluate the response to treatment in solid tumors. European Organization for Research and Treatment of Cancer, National Cancer Institute of the United States, National Cancer Institute of Canada. - Therasse,P.; Arbuck,S.G.; Eisenhauer,E.A.; Wanders,J.; Kaplan,R.S.; Rubinstein,L.; Verweij,J.; Van Glabbeke,M.; van Oosterom,A.T.; Christian,M.C.; Gwyther,S.G. (J Natl Cancer Inst, 2000)