Suggest Cure For A Lesion In The Corpus Callosum?

i have a lesion in the corpus collasum measuring 2.1 cm in transverse diameter x 1.6 cm in ap diameterx 1.5 cm in height i can provide cts and mri;s my doctor diagnosed it as oligo dendroglioma after doing research i figured out 92% of the time this does not start in the corpus collasum