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LUNG CANCER

Lung cancer is one of the most common and serious types of cancer, characterized by uncontrolled cell growth in the lung tissues

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LUNG CANCER

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  1. LUNG CANCER:- SYMPTOMS AND CAUSES BY- DR.AMBIKA SHARMA

  2. INTRODUCTION • Lung cancer is a kind of cancer that starts as a growth of cells in the lungs. The lungs are two spongy organs in the chest that control breathing. • Lung cancer is the leading cause of cancer deaths worldwide. • People who smoke have the greatest risk of lung cancer. The risk of lung cancer increases with the length of time and number of cigarettes smoked. Quitting smoking, even after smoking for many years, significantly lowers the chances of developing lung cancer. Lung cancer also can happen in people who have never smoked.

  3. TYPES OF LUNG CANCER • Lung cancer is divided into two major types based on the two general types of lung cancer include: • Small cell lung cancer. Small cell lung cancer usually only happens in people who have smoked heavily for years. Small cell lung cancer is less common than non-small cell lung cancer. • Non-small cell lung cancer. Non-small cell lung cancer is a category that includes several types of lung cancers. Non-small cell lung cancers include squamous cell carcinoma, adenocarcinoma and large cell carcinoma.

  4. SYMPTOMS OF LUNG CANCER • Lung cancer typically doesn't cause symptoms early on. Symptoms of lung cancer usually happen when the disease is advanced. • A new cough that doesn't go away. • Chest pain. • Coughing up blood, even a small amount. • Hoarseness. • Shortness of breath. • Wheezing.

  5. Signs and symptoms that happen when lung cancer spreads to other parts of the body may include: • Bone pain. • Headache. • Losing weight without trying. • Loss of appetite. • Swelling in the face or neck.

  6. CAUSES IF LUNG CANCER • Lung cancer happens when cells in the lungs develop changes in their DNA. A cell's DNA holds the instructions that tell a cell what to do. In healthy cells, the DNA gives instructions to grow and multiply at a set rate. The instructions tell the cells to die at a set time. In cancer cells, the DNA changes give different instructions. The changes tell the cancer cells to make many more cells quickly. Cancer cells can keep living when healthy cells would die. This causes too many cells. • The cancer cells might form a mass called a tumor. The tumor can grow to invade and destroy healthy body tissue. In time, cancer cells can break away and spread to other parts of the body. When cancer spreads, it's called metastatic cancer. • Smoking causes most lung cancers. It can cause lung cancer in both people who smoke and in people exposed to secondhand smoke. But lung cancer also happens in people who never smoked or been exposed to secondhand smoke. In these people, there may be no clear cause of lung cancer.

  7. TREATMENT

  8. THANK YOU

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