腫瘍（しゅよう）を英語で tumor という。腫瘍には悪性と良性がある。良性腫瘍は benign tumor 悪性腫瘍は malignant tumor (=cancer) という。
0:10 the former Dancing With The Stars contestant reveals in the new People magazine cover story out Wednesday that she was diagnosed with a tumor in April. it was a double blow because the devastating news came as her mother was undergoing treatment for stage 4 brain cancer. （悪性脳腫瘍の末期）.... 0;46 Maria's intuition was right. only her tumor was thankfully benign.
Maria Menounos Abruptly Leaves E! News After Announcing She Has Brain Tumor