Diet Soda Prevents Colon Cancer
- Lung Cancer Symptoms
- What are Symptoms of Lung Cancer?
- Causes of Lung Cancer
- What Causes Lung Cancer?
- Diagnosis
- How is Lung Cancer Diagnosed?
- Treatment
- What is the Treatment for Lung Cancer?
- Guide
- How Is Lung Cancer Prevented? Topic Guide
Lung cancer occurs when lung cells become abnormal and grow out of control. The best way to prevent lung cancer is to not smoke and to avoid secondhand smoke. You can also reduce your risk by avoiding exposure to radon, limiting or avoiding exposure to cancer-causing agents, and eating a healthy, balanced diet with plenty of fruits and vegetables.
Lung cancer is a type of cancer that occurs when lung cells become abnormal and grow out of control.
The different types of lung cancer are outlined in the table below.
| Cancer Type | Characteristics |
|---|---|
| Non-small cell lung cancer |
|
| Small cell lung cancer (also called oat cell cancer) |
|
| Other types of tumors that can form in the lungs |
|
The best way to prevent lung cancer is to not smoke and to avoid secondhand smoke.
Other ways to help reduce the risk of developing lung cancer include:
- Avoiding exposure to radon
- Limiting or avoiding exposure to asbestos, diesel exhaust, and other cancer-causing agents
- Eating a healthy, balanced diet with plenty of fruits and vegetables
What are Symptoms of Lung Cancer?
Lung cancer may not have symptoms early on. When the first signs and symptoms do occur, they may include:
- Persistent or worsening cough
- Coughing up blood or rust-colored sputum
- Shortness of breath
- Breathing problems
- Chest pain that may be worse with deep breathing, coughing, or laughing
- Hoarseness
- Loss of appetite
- Unexplained weight loss
- Fatigue/tiredness
- Weakness
- Wheezing
- Respiratory infections such as bronchitis and pneumonia that don't go away or recur
What Causes Lung Cancer?
The main cause of all types of lung cancer is smoking, which is responsible for 80% of all lung cancer deaths, as well as many deaths from exposure to secondhand smoke. Smokers exposed to radon and asbestos are at higher risk.
In non-smokers, causes of lung cancer include:
- Air pollution
- Secondhand smoke
- Exposure to radon
- Workplace exposure to asbestos, diesel exhaust, or other chemicals
- Genetic changes
SLIDESHOW
Lung Cancer: Early Signs, Symptoms, Stages See Slideshow
How is Lung Cancer Diagnosed?
Symptoms of lung cancer often do not appear until the cancer is advanced. For this reason, The American Cancer Society has lung cancer screening guidelines for people with a higher risk of getting lung cancer, such as smokers.
The American Cancer Society recommends people who are 55 to 74 years old, are in fairly good health, are current smokers or who have quit in the past 15 years, and have smoked a certain number of cigarettes per day should receive regular lung cancer screenings. A test called a low-dose CAT scan or CT scan (LDCT) is typically used.
If lung cancer is suspected, imaging tests may be used to diagnose it, such as:
- Chest X-ray
- Computed tomography (CT) scan
- Magnetic resonance imaging (MRI)
- Positron emission tomography (PET) scan
- Bone scan
Lab tests used to diagnose lung cancer include:
- Sputum cytology
- Thoracentesis
- Tissue biopsy
- Bronchoscopy masses
- Endobronchial ultrasound
- Endoscopic esophageal ultrasound
- Mediastinoscopy and mediastinotomy
- Thoracoscopy
- Lung function tests
- Molecular tests for gene changes
- Tests for certain proteins on tumor cells
- Blood tests
- Complete blood count (CBC)
- Blood chemistry
What is the Treatment for Lung Cancer?
Treatment for lung cancer depends on the stage, and may include:
- Surgery
- Removal of the tumor (stage 0)
- Removal of the lobe of the lung that has the tumor (lobectomy) or removal of a smaller piece of the lung (sleeve resection, segmentectomy, or wedge resection) (Stage 1)
- Lobectomy or sleeve resection or removal of the entire lung (pneumonectomy) (Stage 2 and later stages)
- Photodynamic therapy (PDT)
- Laser therapy
- Adjuvant chemotherapy
- Radiation therapy
- Radiofrequency ablation (RFA)
- Lymph node removal
- Chemotherapy
- Targeted therapy
- Immunotherapy with pembrolizumab (Keytruda) or durvalumab (Imfinzi)
- Participation in clinical trials
Stage IV lung cancers are widespread and very hard to treat and cure. Any of the above treatments may be used to help patients live longer, but they are unlikely to cure the disease at this stage.
From 
Reviewed on 5/19/2021
References
https://www.cancer.org/cancer/lung-cancer.html
Diet Soda Prevents Colon Cancer
Source: https://www.emedicinehealth.com/how_is_lung_cancer_prevented/article_em.htm
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