Cancer is a serious, uncontrolled growth of cells that can be both a medical condition and a metaphor for societal decay.
Word in 30 Seconds
- A malignant disease caused by uncontrolled cell growth.
- Commonly used in both medical and metaphorical contexts.
- Often referred to as a serious, destructive problem.
Overview
- 1概要：ガン（癌）は、体内の細胞が遺伝子の変異により異常に増殖し、正常な組織を侵食したり、他の部位へ転移したりする悪性の疾患の総称です。医学的には「悪性腫瘍」と呼ばれます。2) 使用パターン：医学用語として「ガン検診」「ガン治療」のように使われるほか、比喩として組織や社会の健全な発展を阻害する「社会のガン」というようなネガティブな文脈で用いられます。3) 一般的な文脈：病院での診断結果を伝える際や、健康診断の重要性を説く際によく登場します。また、ニュース等で組織内の腐敗を批判する際にも耳にする表現です。4) 類似語との比較：『腫瘍（しゅよう）』は良性と悪性の両方を含みますが、『ガン』は悪性腫瘍のみを指します。『悪性腫瘍』が医学的で硬い表現であるのに対し、『ガン』は日常会話でも広く定着している表現です。
Examples
父はガン検診のために病院へ行った。
everydayMy father went to the hospital for a cancer screening.
早期発見により、ガンの治療が可能になった。
formalEarly detection has made cancer treatment possible.
彼は組織のガンと言われている。
informalHe is said to be the cancer of the organization.
ガン細胞の増殖メカニズムを研究する。
academicResearching the mechanism of cancer cell proliferation.
Common Collocations
Common Phrases
ガンを克服する
Overcome cancer
ガン闘病中
Battling cancer
Often Confused With
Tumor refers to any abnormal growth of tissue, which can be either benign (non-cancerous) or malignant (cancerous). Cancer is specifically malignant.
Grammar Patterns
How to Use It
Usage Notes
The word is widely used in both medical and social contexts. In medical settings, '癌' is standard, while 'ガン' is common in patient-facing materials. Be careful when using it as a metaphor, as it carries a very strong negative connotation.
Common Mistakes
People sometimes use 'ガン' to describe any kind of growth, but it specifically refers to malignant ones. Also, avoid using it to describe minor inconveniences, as it diminishes the seriousness of the disease.
Tips
Use Katakana for general public communication
When writing for a general audience or in casual speech, use 'ガン' instead of '癌'. It is more accessible and less intimidating for the reader.
Avoid using as a metaphor lightly
Calling a person or a small problem a 'cancer' is extremely offensive and aggressive. Use this metaphor only for deep-seated, systemic issues.
Cultural sensitivity regarding the word
In Japan, the word can carry a heavy emotional burden. Always be empathetic when discussing medical diagnoses.
Word Origin
The kanji '癌' comes from the Chinese character representing a rock-like mass. It evolved to describe the hard, tumorous nature of the disease.
Cultural Context
Cancer is a major health concern in Japan, and there is a strong emphasis on early screening. The word is treated with gravity and respect in public discourse.
Memory Tip
Think of 'Gun' (ガン) invading the body like a weapon. It destroys health just like a bullet destroys a target.
Frequently Asked Questions
4 questions腫瘍は組織が塊状に増殖したものの総称で、良性と悪性があります。ガンは、そのうちの悪性腫瘍のみを指す言葉です。
組織や社会の健全な運営を妨げ、悪影響を及ぼし続ける存在を指す比喩表現です。非常に強い批判を込めた言葉です。
医学的な文脈では漢字の「癌」が使われることが多いですが、一般向けの文書や日常会話では、視覚的に柔らかく読みやすいカタカナの「ガン」が多用されます。
生活習慣の見直しや定期的な検診によって、リスクを減らすことは可能です。早期発見が治療において極めて重要です。
Test Yourself
早期発見のためには、定期的な___検診が不可欠です。
医学的な検診の文脈では「ガン検診」という組み合わせが一般的です。
Score: /1
Summary
Cancer is a serious, uncontrolled growth of cells that can be both a medical condition and a metaphor for societal decay.
- A malignant disease caused by uncontrolled cell growth.
- Commonly used in both medical and metaphorical contexts.
- Often referred to as a serious, destructive problem.
Use Katakana for general public communication
When writing for a general audience or in casual speech, use 'ガン' instead of '癌'. It is more accessible and less intimidating for the reader.
Avoid using as a metaphor lightly
Calling a person or a small problem a 'cancer' is extremely offensive and aggressive. Use this metaphor only for deep-seated, systemic issues.
Cultural sensitivity regarding the word
In Japan, the word can carry a heavy emotional burden. Always be empathetic when discussing medical diagnoses.
Examples
4 of 4父はガン検診のために病院へ行った。
My father went to the hospital for a cancer screening.
早期発見により、ガンの治療が可能になった。
Early detection has made cancer treatment possible.
彼は組織のガンと言われている。
He is said to be the cancer of the organization.
ガン細胞の増殖メカニズムを研究する。
Researching the mechanism of cancer cell proliferation.
Related Content
This Word in Other Languages
More health words
異変がある
B1To have an unusual change or abnormality.
異常な
B1Abnormal; unusual; irregular.
擦り傷
B1Scratch, graze, abrasion.
吸収する
B1To absorb.
禁酒
B1Abstinence from alcohol; the act of refraining from alcohol.
痛む
A2to hurt; to ache
鍼灸
B1Acupuncture and moxibustion; traditional Chinese medicine treatments.
急性的
B1Acute.
急性な
B1Acute
急性の
B1Acute; sudden and severe.
