Bob,

I'm so sorry this is so long, but I think perhaps you can relate to my situation. Mine was on the mid-tongue:

My first surgery removed a tumor of 1.5 cm x 1.5cm x .6cm. This was before they knew it was cancer - they thought it was just an ulcer - so I didn't have clean margins.

This is what DF (Boston Hopsital) said about lack of clean margins and going in again for me:
"Once a tumor is removed from the mouth, the remaining part can dramatically reduce itself (up to 20%). It