肿瘤学家;
例句:
She is an oncologist doctor who specializes in treating cancer.
她是专门治疗癌症的肿瘤医生.
The oncologist invented a new kind of interferon to prevent cancer.
那位肿瘤学家发明了一种可以预防癌症的干扰素.
The patient chose to receive further care from a local oncologist.
病人选择了在当地肿瘤专家进一步治疗.