Using immunohistochemistry, the authors prospectively investigated the expression of HER-2/neu protein in radically resected specimens of nonsmall cell lung carcinoma (NSCLC) and evaluated its impact on long-term prognosis.
Department of Clinical and Biological Sciences, University of Torino, Azienda Ospedaliera S. Luigi, Regione Gonzole, 10, 10043 Orbassano, Torino, Italy.