(りょうせい)(しゅよう)

りょうせいしゅよう
noun
benign tumor
1. benign tumor; non-malignant growth
A tumor that stays localized, does not spread to other parts of the body, and is generally not life-threatening. It contrasts with a malignant, cancerous tumor.
検査(けんさ)結果(けっか)良性(りょうせい)腫瘍(しゅよう)だった。
The test showed it was a benign tumor.
良性(りょうせい)腫瘍(しゅよう)なので心配(しんぱい)いらないと()われた。
I was told it was a benign tumor, so there was nothing to worry about.
医師(いし)は、しこりは良性(りょうせい)腫瘍(しゅよう)でほぼ転移(てんい)心配(しんぱい)はないと説明(せつめい)した。
The doctor explained that the lump was a benign tumor with almost no risk of spreading.

Composed of 良性(りょうせい) (benign, non-malignant) + 腫瘍(しゅよう) (tumor, growth). A medical term for a tumor that stays in place and does not metastasize.

USAGE:

  • 良性(りょうせい)腫瘍(しゅよう)診断(しんだん)される: to be diagnosed with a benign tumor

SIMILAR WORDS:

  • 悪性(あくせい)腫瘍(しゅよう): malignant tumor — a cancerous tumor that can invade tissue and spread; the direct antonym
  • がん: cancer — the everyday word for a malignant growth