How to say "tumour" in Japanese

• 腫瘍しゅようCommon
  nounThe medical term for a tumour as an abnormal growth of tissue, benign or malignant; the word you want in clinical contexts and when translating 'tumour' or 'neoplasm' generally.
  胃いに腫瘍しゅようができたので切きってもらった。↗

  I got a stomach tumor and had to have it operated on.
• 腫しゅCommon
  noun (suffix)Essentially a medical word element meaning 'tumour'; it appears within technical compound terms rather than as an independent word, so it is seldom the word you want for 'tumour' — use 腫瘍 instead.

For 'tumour' as an actual growth in medical contexts, use 腫瘍; 腫 is really a medical word element seen in technical terms rather than an independent word, so it is seldom the right choice.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 腫瘍しゅようtumor
• 腫しゅtumor
• できものtumour
• 新生物しんせいぶつneoplasm
• 腫れ物はれものswelling
• 腫物しゅもつswelling