hi, last year my husband detected cancer in ihe right buccol mucosa(spelling may be in correct), got operated and undergone through chemo and radiation which ended in December2011. But suddenly in the month of april of2012 there was a pain and after all the tests doctors confirmed that it came back, on 21.5.2012 another operation was done,now for the last five days we are noticing another lump on his upper lip and it is painful.We are worried, pls answer