... Madrid, Spain.4Hospital SanCarlos, Madrid, Spain.5Hospital La Princesa, Madrid, Spain.6Hospital LozanoBlesa, Zaragoza, Spain.7Hospital General de Valencia, Valencia, Spain.8Hospital ... mutations. J Thorac Oncol 2010, 5:1551-1558.21. Kawahara A, Yamamoto C, Nakashima K, Azuma K, Hattori S, Kashihara M,Aizawa H, Basaki Y, Kuwano M, Kage M, et al: Molecular diagnosis of activating ... of mAbs against EGFR was evaluatedusing the following scoring, as previously described [14]:0 = negative or faint staining in <10% of tumor cells; 1 = weak staining in >10% of cancer cells; ...