My understanding is that the ORAL CAVITY includes the Hard Palate, Floor of the mouth and the Tongue. The PHARYNX includes all the pharyns', Naso, Oro, Larngo and the Esophagus. Both of these are usually lumped together as Head and Neck Cancers. So as Brian and Jerry have said it's just semantics and it should have been better explained without leaving that sentence hanging out there.

David

Age 58 at Dx, HPV16+ SCC, Stage IV BOT+2 nodes, non smoker, casual drinker, exercise nut, Cisplatin x 3 & concurrent IMRT x 35,(70 Gy), no surgery, no Peg, Tx at Moffitt over Aug 06. Jun 07, back to riding my bike 100 miles a wk. Now doing 12 Spin classes and 60 outdoor miles per wk. Nov 13 completed Hilly Century ride for Cancer, 104 miles, 1st Place in my age group. Apr 2014 & 15, Spun for 9 straight hrs to raise $$ for YMCA's Livestrong Program. Certified Spin Instructor Jun 2014.