top of page
Lung Cancer
42307.jpg

Lung cancer is a cancer that begins in the lungs. It is caused mostly by smoking, but it can also affect nonsmokers. Non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC) are the two most common forms. A chronic cough, chest discomfort, trouble breathing, and weight loss are all possible symptoms. If lung cancer is not diagnosed and treated early, it can spread to other regions of the body. Surgery, radiation therapy, chemotherapy, targeted therapy, and immunotherapy are among the treatment possibilities. Avoiding tobacco smoke, especially secondhand smoke, and limiting exposure to environmental carcinogens such as radon and asbestos are two prevention techniques.

Types of Lung Cancer

Lung cancer is typically classified into two main types: 
1. non-small cell lung cancer (NSCLC) 

2. small cell lung cancer (SCLC). 

​

1. non-small cell lung cancer (NSCLC)

NSCLC is the most common type of lung cancer, accounting for approximately 85% of all cases. It includes several subtypes, the most prevalent of which are adenocarcinoma, squamous cell carcinoma, and large cell carcinoma.
Adenocarcinoma: This subtype is commonly found in the outer regions of the lungs and is frequently seen in non-smokers. It tends to grow slower compared to other subtypes and is often associated with genetic mutations.
Squamous Cell Carcinoma: This subtype typically develops in the central airways of the lungs. It is strongly associated with smoking and is more common in men. Squamous cell carcinoma often manifests as a tumor that blocks the air passages, leading to symptoms such as coughing and wheezing.
Large Cell Carcinoma: This subtype is c
haracterized by the presence of large, abnormal cells. It can occur in any part of the lung and tends to grow and spread rapidly.

​

2. small cell lung cancer (SCLC). 
SCLC is less prevalent, accounting for around 10-15% of all lung cancer cases. It is generally more aggressive and has a higher tendency to spread to other parts of the body. SCLC is strongly associated with smoking.
Small Cell Carcinoma: This subtype is characterized by small cells that rapidly multiply and form tumors in the lung tissue. It tends to grow quickly, making early detection and treatment crucial. Small cell carcinoma is often highly responsive to chemotherapy and radiation therapy.
It is essential for healthcare professionals to accurately determine the type of lung cancer a patient has, as treatment options and prognoses can differ significantly between NSCLC and SCLC. Additionally, within NSCLC, identifying the specific subtype helps guide treatment decisions, as certain mutations may respond better to targeted therapies.

Causes and Risk Factors

​Smoking is the primary culprit behind the majority of lung cancer cases, accounting for about 85% of them. However, it's crucial to recognize that non-smokers can also develop lung cancer. Several factors contribute to this risk, including exposure to secondhand smoke, environmental pollutants like radon, asbestos, and air pollution, occupational hazards such as certain chemicals and metals, genetic predisposition, and previous radiation therapy. It's important for individuals to understand these risk factors so that they can make informed decisions to minimize their exposure. By reducing exposure to these factors, individuals can lower their chances of developing lung cancer and protect their overall health.

Prevention Strategies 

To avoid lung cancer, adopt a healthy lifestyle and limit your exposure to risk factors. The most important measure is to stop smoking, which is the major cause of lung cancer. Avoiding secondhand smoke is also crucial, so try to avoid places where people are smoking.

Reduced exposure to environmental toxins such as radon, asbestos, and air pollution is another critical technique. Take the appropriate safety precautions in your employment, especially if you operate with chemicals or other dangerous substances.
Regular health check-ups are critical for early detection. Speak with your doctor about lung cancer screening programs, especially if you have a history of smoking or other risk factors. Early detection of lung cancer improves treatment results significantly.

Adopting a healthy lifestyle is also vital for maintaining overall excellent health. This involves eating a well-balanced diet, exercising frequently, and properly managing stress. A strong immune system can aid in the prevention and treatment of cancer.

Effects of Lung Cancer

Physical Symptoms: Lung cancer frequently causes severe physical symptoms. Consistent coughing, which may be accompanied by blood or a shift in the strength of the cough, can be distressing and upsetting. Shortness of breath, particularly during vigorous activity, might impede a person's ability to do daily duties. Chest discomfort, which can range from minor to severe, might be caused by tumor development or cancer spread to adjacent tissues. Cancer cells consume the body's energy and nutrition, causing weight loss, weariness, and weakness. Lung cancer can compromise the immune system, resulting in recurring respiratory infections.

​

Emotional Impact: Coping with a lung cancer diagnosis can be difficult. Individuals are natural to feel a variety of emotions, including fear, worry, grief, and irritation. Uncertainty about the future, the success of therapy, and its impact on daily living can all contribute to mental discomfort. To address these feelings and build coping techniques, patients should seek help from loved ones, healthcare experts, or support groups.

​

Relationships and Social Interactions: Lung cancer can have an impact on relationships and social interactions. Patients' capacity to participate in things they formerly loved may alter, leading to feelings of loneliness or a sense of being a burden to others. The disease's impact on physical appearance and energy levels may also have an effect on self-esteem and confidence. Open communication with family, friends, and healthcare providers may aid in the resolution of issues and the maintenance of a supporting network.

​

Mental Health: Lung cancer can have a negative impact on a person's mental health. Depression and anxiety are widespread as people deal with the emotional difficulties of the disease and its treatment. If these symptoms persist or intensify over time, it is critical to seek professional treatment. Mental health services, such as counseling or therapy, can help with various components of the condition.

Treatment Methods

Evaluation and Diagnosis: The first step is to conduct a complete assessment and diagnosis of lung cancer. This includes a battery of tests such as imaging scans, biopsies, and blood tests. The results aid in determining the kind and stage of cancer, which is necessary for developing an appropriate treatment strategy.

Multidisciplinary Team: To establish an individualized treatment approach, a multidisciplinary team of healthcare experts, including medical oncologists, radiation oncologists, surgeons, and other specialists, collaborates. Each specialist brings unique expertise to the table, offering a complete approach to patient care.

Surgery: If the cancer is localized and has not spread far, surgery may be a possibility. The purpose of surgery is to remove the tumor as well as any adjacent lymph nodes. The specific surgical method is determined by criteria such as the location and size of the tumor. A lobectomy (removal of a lobe of the lung), a pneumonectomy (removal of an entire lung), or a wedge resection (removal of a tiny part of the lung) are all common surgical treatments.

Radiation Therapy: High-energy radiation is used to target and kill cancer cells. It is administered either externally (external beam radiation) or inwardly (brachytherapy). Radiation therapy can be used before surgery to decrease tumors, after surgery to kill leftover cancer cells, or as the primary treatment in circumstances when surgery is not an option.

Chemotherapy: Chemotherapy is the use of strong medications that circulate through the body, destroying cancer cells. It is usually given intravenously or orally. Chemotherapy can be used alone or in conjunction with surgery or radiation therapy to treat advanced lung cancer. In advanced stages, it can also be used to reduce symptoms and enhance quality of life.

Targeted Therapy: Targeted therapy is a therapeutic method that directly targets cancer cells by interfering with their development and survival. It works by inhibiting the action of particular molecules implicated in the development of cancer. When compared to standard chemotherapy, targeted treatments are more precise and have fewer adverse effects. They are frequently used to treat certain subtypes of lung cancer with specific genetic abnormalities.

Immunotherapy: Immunotherapy boosts the body's immune system's ability to recognize and eliminate cancer cells. It employs medications that either increase the immunological response or eliminate impediments to the immune system. Immunotherapy has demonstrated encouraging outcomes in certain kinds of lung cancer, especially those with elevated levels of certain biomarkers.

Palliative Care: Palliative care aims to improve the quality of life for patients with advanced lung cancer. Its goals are to control symptoms, relieve pain, and give psychological and emotional support. Palliative care is not just for the dying; it may be used at any stage of therapy.

Dietary Considerations

Emphasize a balanced diet: A balanced diet is key to providing the body with the necessary nutrients for optimal functioning. This includes incorporating a variety of foods from different food groups. Aim to include fruits, vegetables, whole grains, lean proteins (such as poultry, fish, and legumes), and healthy fats (like olive oil, avocados, and nuts).

Nutrient-rich foods: Fruits and vegetables are packed with vitamins, minerals, and antioxidants that can support immune function and overall health. Opt for a colorful variety, as different fruits and vegetables offer different beneficial compounds. Whole grains, such as whole wheat, brown rice, and quinoa, provide fiber and essential nutrients. Lean proteins are important for tissue repair and growth.

Antioxidants and phytochemicals: Antioxidants, found in fruits, vegetables, and other plant-based foods, help protect cells from damage caused by free radicals. Phytochemicals, natural compounds found in plants, also have potential health benefits. Including a variety of plant-based foods can provide a range of antioxidants and phytochemicals that support cellular health.

Disclaimer: This article is meant for informational purposes only and must not be considered a substitute for advice provided by qualified medical professionals.

bottom of page