... preservation in pyriform sinus cancer: preliminary results of aEuropean Organization for Research and Treatment of Cancer phase IIItrial. EORTC Head and Neck Cancer Cooperative Group. J Natl Cancer Inst1996,88:890-899.13. ... strategies and its secondary primary- an experience in TaiwanMorgan Fu-Ti Chang1, Hung-Ming Wang2,5,6, Chung-Jan Kang3,5, Shiang-Fu Huang3,5, Chien-Yu Lin4,5,7,Kang-Hsing Fang4,5,7, ... tract(including oral cavity, pharynx, esophagus and lung) isthe most common cancer that occurs in Taiwaneseman, and the incidence of oral cavity cancer and eso-phageal cancer is increasing 13.1%...