Lung Cancer
Medical Oncology · Oncology
Severe
Severity
Very common — one of the leading causes of cancer deaths worldwide
Prevalence
No
Contagious
Medical Oncology
Specialist
📖What is Lung Cancer?
Lung Cancer is a malignant tumor that arises from the cells lining the airways or air sacs of the lungs, and remains one of the leading causes of cancer death worldwide. It is broadly classified into non-small cell and small cell lung cancer, which differ significantly in growth rate and treatment approach. The disease is strongly linked to tobacco smoking, though it can also occur in non-smokers due to other risk factors. Symptoms often appear only after the disease has progressed, contributing to frequently late diagnosis.
Severity
Severe
Specialty
Medical Oncology
Prevalence
Very common — one of the leading causes of cancer deaths worldwide
Contagious
No
Category
Oncology
Treatment
Available
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⚠️ Serious Condition — Prompt Medical Attention Required
Lung Cancer is a serious condition. Do not self-medicate. Consult a Medical Oncology specialist as soon as possible for proper diagnosis and treatment.
Warning Signs — When to Seek Immediate Help
- Sudden severe worsening of Lung Cancer symptoms not responding to prescribed treatment
- Difficulty breathing, chest tightness, or rapid heartbeat associated with Lung Cancer
- High fever (above 39 °C / 102 °F) that does not improve with medication after 24 hours
- Confusion, altered consciousness, severe weakness, or inability to stand or speak clearly
- Signs of rapidly spreading infection — increasing redness, swelling, or skin changes
- Symptoms occurring in infants, elderly (65+), pregnant women, or immunocompromised individuals
- No improvement after 48–72 hours of prescribed Lung Cancer treatment
- New or different symptoms suggesting spread to other organ systems
🤒Common Symptoms
🔬Causes & Risk Factors
- 1Predominantly caused by long-term exposure to cigarette smoke
- 2which damages the DNA of lung cells and leads to malignant transformation. Other significant risk factors include exposure to secondhand smoke
- 3radon gas
- 4asbestos
- 5air pollution
- 6and occupational carcinogens
- 7along with genetic predisposition in a smaller proportion of cases.
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🩺How Doctors Diagnose Lung Cancer
- 1Physical examination and complete medical history review by a Medical Oncology specialist
- 2Laboratory investigations — blood tests, urine analysis, and culture studies as indicated
- 3Imaging studies such as X-ray, ultrasound, MRI, or CT scan depending on the suspected cause
- 4Biopsy, endoscopy, or other invasive diagnostic procedures if required
- 5Specialist consultation and further tests based on initial findings
- 6Regular monitoring and follow-up to assess disease progression and treatment response
💊Treatment Options
- 1Treatment depends on cancer type and stage
- 2ranging from surgical resection for early localized disease to combinations of chemotherapy
- 3radiation therapy
- 4targeted therapy for specific genetic mutations
- 5and immunotherapy for advanced or metastatic disease. Molecular testing of the tumor helps guide selection of the most effective targeted or immune-based treatments.
🛡️Prevention of Lung Cancer
- 1Avoiding tobacco smoking and secondhand smoke exposure
- 2testing homes for radon
- 3minimizing occupational exposure to carcinogens
- 4reducing exposure to air pollution
- 5low-dose CT screening for high-risk individuals
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Disease Progression Timeline
Initial Presentation
Symptoms of Lung Cancer first appear, often subtle. Early diagnosis at this stage gives the best treatment outcomes.
Progressive Stage
Symptoms worsen if untreated. Specialist consultation and diagnostic workup are essential.
Advanced Stage
Without adequate treatment, complications can affect multiple organ systems. Hospitalisation may be required.
Managed / Recovery
With appropriate treatment from a Medical Oncology specialist, symptoms can be controlled and quality of life maintained.
Lung Cancer Treatment Cost in India (2024–25)
| Service | Govt / Budget | Private |
|---|---|---|
| Medical Oncology Consultation | ₹300 – ₹1,500 | ₹1,500 – ₹5,000 |
| Diagnostic Tests (Basic) | ₹500 – ₹3,000 | ₹3,000 – ₹10,000 |
| Advanced Imaging (MRI/CT) | ₹2,000 – ₹6,000 | ₹6,000 – ₹25,000 |
| Hospitalisation (if required) | ₹5,000 – ₹20,000 | ₹25,000 – ₹1 lakh |
| Medications (Monthly) | ₹300 – ₹2,000 | ₹2,000 – ₹10,000 |
* Costs are approximate estimates for India (2024–25). Actual prices vary by city, hospital, and patient condition. Ayushman Bharat / CGHS may cover eligible treatments.
Frequently Asked Questions
What is Lung Cancer?+
Lung Cancer is a malignant tumor that arises from the cells lining the airways or air sacs of the lungs, and remains one of the leading causes of cancer death worldwide. It is broadly classified into non-small cell and small cell lung cancer, which differ significantly in growth rate and treatment approach. The disease is strongly linked to tobacco smoking, though it can also occur in non-smokers due to other risk factors. Symptoms often appear only after the disease has progressed, contributing to frequently late diagnosis.
What are the main symptoms of Lung Cancer?+
The most common symptoms include: Persistent cough that worsens over time; coughing up blood; chest pain that worsens with breathing; hoarseness. Early recognition is key to prompt diagnosis and effective treatment.
Is Lung Cancer contagious?+
No, Lung Cancer is not contagious. It cannot spread through casual contact. However, certain risk factors and genetic predispositions may increase susceptibility.
How is Lung Cancer treated?+
Treatment options include: Treatment depends on cancer type and stage; ranging from surgical resection for early localized disease to combinations of chemotherapy; radiation therapy. Treatment should always be guided by a qualified Medical Oncology specialist. Do not self-medicate.
Can Lung Cancer be prevented?+
While Lung Cancer cannot always be fully prevented, several measures can reduce risk: Avoiding tobacco smoking and secondhand smoke exposure; testing homes for radon; minimizing occupational exposure to carcinogens.
When should I see a doctor for Lung Cancer?+
Seek immediate medical attention if you experience symptoms of Lung Cancer. This is a serious condition — go to the emergency room or call 112 if symptoms are severe or rapidly worsening.
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⚕️ Medical Disclaimer
This page is for informational purposes only and does not substitute professional medical advice. Always consult a qualified healthcare professional. In emergencies, call 112.