on·col·o·gy /ɑnˈkɑləʤi, ɑŋ-/ 腫瘤學
on·col·o·gy /ɑnˈkɑləʤɪ, ɑŋ-/ 名詞 腫瘤學
oncology n : the branch of medicine concerned with the study and treatment of tumors