Institution: | 1Department of Histopathology, University College, London, U.K.;2Department of Pathology, Istituto Europeo di Oncologia, Milano, Italy;3Department of Pathology, Istituto Nazionale dei Tumori, Milano, Italy;4Department of Pathology, Royal Brompton Hospital, London, U.K.;5Department of Thoracic Surgery, Royal Brompton Hospital, London, U.K.;6ICRF Clinical Oncology Unit, Churchill Hospital, Oxford, U.K. |