悪性腫瘍 あくせいしゅよう Meanings Noun malignant tumor; malignant tumour; malignancy; cancer See also: 癌 (がん). Kanji 悪 bad. Read as アク. 性 nature. Read as セイ. 腫 swollen. Read as シュ. 瘍 ulcer. Read as ヨウ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists