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 TERMS:

  • 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
general
Added 2026.4.11 21:54
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