What you may notice
Symptoms can overlap with other conditions and vary between people.
- Persistent cough
- Coughing blood
- Breathlessness
- Unexplained weight loss
Understanding care
Clinical care may include imaging, tissue diagnosis and oncology review of stage and treatment options. A qualified clinician decides which investigations and options fit the individual situation.
When to seek help
Persistent cough or unexplained weight loss needs review; coughing blood needs urgent assessment. Severe breathlessness, chest pain or collapse requires emergency services.
For severe breathing difficulty, collapse, suspected stroke, or another emergency, call local emergency services immediately. In India, call 112.
Read the medical sources
These sources support the educational article and offer more detail.
Prepared from the linked sources. This summary has not had an independent clinician review. A qualified clinician can assess symptoms and explain which information applies to you.
