悪 性 腫 瘍(あくせいしゅよう)

あくせいしゅよう

noun

malignant tumor; cancerous growth

1. malignant tumor; cancerous growth

A cancerous tumor that grows uncontrollably and can invade surrounding tissues or spread to other parts of the body. The medical term for cancer viewed as a physical mass.

悪性腫瘍(あくせいしゅよう)が見(み)つかった。

A malignant tumor was found.

検査(けんさ)の結果(けっか)、悪性腫瘍(あくせいしゅよう)の疑(うたが)いがあると言(い)われた。

The test results showed a suspected malignant tumor.

悪性腫瘍(あくせいしゅよう)を早期(そうき)に発見(はっけん)すれば、治療(ちりょう)の選択肢(せんたくし)が広(ひろ)がる。

If a malignant tumor is found at an early stage, the treatment options become broader.

Composed of 悪性(あくせい) (malignant, bad-natured) and 腫瘍(しゅよう) (tumor, swelling). In medical usage, tumors are classified as either 悪性(あくせい) (malignant) or 良性(りょうせい) (benign). An 悪性腫瘍(あくせいしゅよう) is essentially what is meant by がん (cancer) in everyday speech, but the medical term is more precise and appears in diagnoses, test results, and clinical discussions.

Common collocations

悪性腫瘍(あくせいしゅよう)が見(み)つかる: a malignant tumor is found
悪性腫瘍(あくせいしゅよう)の疑(うたが)い: suspicion of a malignant tumor
悪性腫瘍(あくせいしゅよう)を摘出(てきしゅつ)する: to remove a malignant tumor (surgically)
悪性腫瘍(あくせいしゅよう)が転移(てんい)する: the malignant tumor metastasizes

Related words

良性腫瘍(りょうせいしゅよう): benign tumor
がん: cancer (the everyday word)
癌(がん): cancer (in kanji; often used for carcinomas specifically)
腫瘍(しゅよう): tumor (general term)
転移(てんい): metastasis
摘出(てきしゅつ): surgical removal, excision

Related Words

Related: 良性(りょうせい)腫瘍(しゅよう) (benign tumor)

Related: 癌(がん) (cancer)

Related: 転移(てんい) (metastasis)

Related: 摘出(てきしゅつ) (surgical removal, excision)

general

Added 2026.4.11 21:54 · Revised 2026.9.2 13:02

23000/23229_akuseishuyou