“…The internal jugular vein may be involved either by compression or by extension of tumour into its lumen. This latter feature has now been described on a number of occasions, making the lack of distant spread all the more surprising (Henson, Crawford, and Cavanagh, 1953 ;Shreekumar and Rosenbluth, 1959;Hassan, Moustaffa, and Fadli, 1961).…”