The tissues removed during the surgery will be collected as part of this study. Small pieces of tissues will be stained with special stains to give more information about the tumor (such as invasiveness, blood vessel supply, number of positive lymph nodes, tissue changes). Multiple sections of the tissues will be stained to make sure that all tissue areas of interest will be able to be compared with MRI/MRS images. The tissues then will be photographed and x-rayed.