“…This was not specified as a T-stage criterion in the previous UICC/AJCC systems, and none of the western series reported independent significance attributed to this factor (Sanguineti et al, 1997). On the other hand, poor prognosis has been suggested by some Asian studies (Chua et al, 1997;Min et al, 1994;Sham and Choy, 1991;Teo et al, 1989Teo et al, , 1992Teo et al, , 1996.…”