“…The chemotherapy agents that have been reported in such cases are 5-fluorouracil, gemcitabine, mitomycin-C, lomustine (CCNU), paclitaxel and carboplatin, which have been used alone or in combination. In these studies the chemotherapy was given after the completion of radiotherapy or concurrently [4] , [5] , [6] , [7] , [9] , [10] , [11] …”