Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
malignant disease
Grammar usage guide and real-world examplesUSAGE SUMMARY
'malignant disease' is an acceptable phrase in written English.
It usually refers to a serious illness or cancer. For example, "Alice's family was devastated when her mother was diagnosed with a malignant disease."
✓ Grammatically correct
Science
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
It is hardly surprising, therefore, that there has lately been an alarming increase in malignant disease.
News & Media
"Every doctor and nurse in the country realised he had malignant disease, he looked terrible," Ellis said.
News & Media
For example, in Korea, where foods are very rich in sodium from salt and soy sauce, stomach cancer is the leading malignant disease.
News & Media
I decided to study a bone marrow malignant disease called myelodysplastic syndromes (MDS), which frequently evolves into acute leukaemia, back in the early 1980s.
News & Media
Malignant disease enhances post contrast administration (Fig. 10c).
Science
Gastric cancer is a common malignant disease worldwide.
Science
Tracheal resections for benign and malignant disease are well described.
Well-differentiated thyroid carcinoma is considered an indolent malignant disease.
The treatment of more than 95% of children with malignant disease occurs according to TOPs.
Science
Referral of patient for staging of malignant disease by skeletal scintigraphy.
Science
Hodgkin's lymphoma (HL) is a malignant disease of the lymphatic system.
Expert writing Tips
Best practice
When writing for a general audience, consider using "cancer" instead of "malignant disease" for clarity. While "malignant disease" is accurate, "cancer" is more readily understood.
Common error
Don't use phrases like "malignant cancerous disease." The term "malignant" already implies cancerous, so avoid such repetitions.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "malignant disease" functions as a noun phrase, typically serving as the subject or object of a sentence. It denotes a medical condition characterized by uncontrolled cell growth and the potential to invade other parts of the body. Ludwig confirms its appropriate usage in various contexts.
Frequent in
Science
79%
News & Media
21%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "malignant disease" is a formal medical term synonymous with cancer, denoting a severe illness characterized by uncontrolled cell growth. As Ludwig AI confirms, it's grammatically correct and frequently used in scientific and medical contexts. While "cancer" is more common in general conversation, "malignant disease" offers a precise and formal alternative for professional and academic writing. When using this phrase, avoid redundancy and consider your audience to ensure clarity and impact. The usage is primarily seen in scientific and news publications.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
cancerous illness
Replaces "disease" with a more general term for illness, keeping the core meaning intact.
malignant neoplasm
Uses the more technical term "neoplasm" instead of "disease", suitable for formal contexts.
cancerous growth
Focuses on the growth aspect of the disease, suitable when emphasizing tumor development.
malignant tumor
Specifies "tumor" as the type of malignancy, useful when the disease manifests as a solid mass.
aggressive cancer
Emphasizes the rapid or invasive nature of the cancer.
life-threatening cancer
Highlights the potential severity and danger of the condition.
severe malignancy
Replaces "disease" with malignancy and emphasizes the severity.
dangerous tumor
Uses the word "dangerous" instead of malignant to highlight the potential harm caused by the tumor.
uncontrolled cellular growth
Focuses on the biological process of cancer, avoiding the common term "disease".
advanced stage cancer
Indicates the cancer has progressed, specifying the stage of the disease.
FAQs
What does "malignant disease" mean?
"Malignant disease" is a medical term referring to a severe form of illness, particularly cancer, characterized by uncontrolled growth and potential spread to other body parts.
Is "malignant disease" the same as cancer?
Yes, "malignant disease" is generally used as a synonym for cancer. It describes conditions where abnormal cells divide uncontrollably and can invade other tissues.
When should I use "malignant disease" instead of "cancer"?
The phrase "malignant disease" is more formal and often used in medical or scientific contexts. In general conversation, "cancer" is more common and easily understood.
Are there other phrases similar to "malignant disease"?
Yes, you could use terms like "cancerous illness", "malignant neoplasm", or "aggressive cancer" depending on the context and the aspect you want to emphasize.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested