we personal pronoundid verb, past tensetwo cardinal numberthe determinertwo cardinal numberother adjectivechemotherapies noun, pluralthat wh-determinerwere verb, past tenseavailable adjectiveradiation noun, singular or massthey personal pronounset verb, past tenseme personal pronounup preposition or subordinating conjunctionfor preposition or subordinating conjunctiona determineryear noun, singular or mass
so adverb, there existential there's verb, 3rd person singular presentbeen verb, past participlea determinerlot noun, singular or massof preposition or subordinating conjunctionresearch noun, singular or massin preposition or subordinating conjunctionearly adjectiveuse noun, singular or massof preposition or subordinating conjunctiontaxotere proper noun, singular- like preposition or subordinating conjunctionchemotherapies noun, pluraland coordinating conjunctionhigh adjective- risk noun, singular or mass