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Lung cancer was formerly considered to be a single smoking-related disease but is now considered a disease with different subtypes, in which multiple gene mutations play a role.
Lung cancer is one of the most common solid organ tumours in the world and is the leading cause of cancer-related death. Approximately 1.8 million people are diagnosed with lungs each year. (Lung cancer is the most common cause of cancer-related deaths, leading to a quarter of cancer-related deaths). When we look at the data, we can see that a person was diagnosed with lung cancer and died from another disease.
The region with the highest incidence of lung cancer is Central Asia, Eastern Europe, North America and East Asia. Lung cancer deaths come in the Western Pacific and Europe in others. Lung cancer is caused by the uncontrolled proliferation of abnormal cells in the lung. Although lung cancer begins with a single lesion, there may be a lesion from the lesion. Cancer execution can spread to adjacent tissues or other regions. The places with the highest metastasis time of lung cancer; lymph nodes, liver, central nervous system (brain), bones and adrenal glands. Lung cancer can also spread to different lobes or the opposite lung. It can basically be made of two types: small cell lung cancer and small cell lung cancer. The most common symptoms are cough, weight loss, hemoptysis, shortness of breath, and chest pain.
Occupational exposure (asbestos exposure)
Radiation theme story
Previous lung disease
According to calculations, the lung cancer mortality rate is 80-90% and 75-80% in women and men. Smoking 30 packs of cigarettes a year increases death from lung cancer 20-60 times in men and 14-20 times in women. Starting smoking before the age of 15 doubles. The number of cigarettes smoked per day leads to an increase in risk, while prolonged smoking causes an exponential increase in risk.
The first thing to diagnose is to do a PA chest X-ray. Solitary lung nodules usually. However, fungal infections, tuberculosis, pneumonia and metastatic cancer should be excluded. CT, MRI, PET can be used as other imaging methods. Sputum cytology, effusion cytology, LAP cytology, bronchoscopy biopsy, thoracotomy, VATS and mediastinoscopy can be used for pathological diagnosis. Regular cytology sputum examination and chest X-ray examination can find the asymptomatic lung.
According to the microscopic appearance of the cells, cancers that develop in the lung are divided into two main types: small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). Each type of lung cancer grows, spreads, and is treated differently.
The most common type of lung cancer is non-small cell lung cancer (NSCLC). NSCLC accounts for 85-90% of all lung cancer cases and is divided into two subgroups.
Squamous cell carcinoma
Non-squamous cell carcinoma
Adenocarcinoma: Adenocarcinoma, which accounts for 40% of all lung cancer cases, is the most common type of NSCLC. The non-smoking woman becomes visible. In addition, lung cancer patients are the most common among non-smoking lung cancer patients. He can read the written text and shows himself radiologically in the form of a tracheogram.
Large cell carcinoma: Large cell carcinoma accounts for 10-15% of all lung cancer cases and is aggressive.
NOS (not classified)
SCLC incidence is falling. An aggressive clinical course is high. The treatment period survival time is 3-4 months. NSCLC varies according to various subtypes: squamous cell carcinoma is located in the centre, adenocarcinoma and large cell carcinoma are located in the periphery. Due to differences in clinical process and behaviour and morphological features, bronchoalveolar carcinoma is classified as a subtype of adenocarcinoma.
While SCLC responds best to chemotherapy, other types of lung cancer (collectively referred to as NSCLC) can be better treated with a surgical and therapeutic radio.
SCLC: It is called SCLC because the cell is small and the nucleus (control centre of the cell) is full of the cell.
This type of cancer is almost always caused by smoking. SCLC usually spreads early, which sometimes prefers chemotherapy to surgery.
In the treatment of lung cancer; surgery, chemotherapy, radiotherapy and/or palliative treatment alone or to be performed. Factors affecting which treatment method to use: disease stage, physical condition, histopathological type of tumour and mutation analysis.