Lung cancer is 85% of all diseases. Localized tumor in the upper lobe of the lung is in 60% cases, 30% bottom and 10% average. Metastasis is primarily distributed in 3 ways: hematogenous, lymphogenous and implatation.
Why is developed lung cancer
The risk factors and causes of lung cancer include:
- The inhalation of the air with substances that contain carcinogens;
Types of lung cancer.
- Large-cell carcinoma;
The clinical picture in lung cancer
Clinic of lung cancer, as all tumors, similar. The most obvious signs are coughing for lung cancer with sputum purulent character, shortness of breath, fever up to subfebrile figures, hemoptysis and chest pain.
Also symptomatology characterized by localization of neoplastic process.
With this type of cancer develops in the larger bronchi. Manifestation early enough and is well expressed by impaired patency of the bronchi. This interferes with ventilation of the lung or a segment. Patients with lung cancer experience chest pain and increasing shortness of breath.
During germination of the tumor in the bronchus of a cough with blood. After a while cancer develops pneumonia, which is manifested by purulent sputum, fever and shortness of breath. Quite often cancer pneumonia complicated by hemorrhagic pleural effusion.
If the tumor compresses the vagus nerve, paralysis of the vocal muscles, which is manifested by hoarseness.
This type of cancer in the early stages of development of asymptomatic. After some time there sputum with blood, hoarseness is compression of the superior Vena cava. The growth of the tumor appears cancerous pleurisy, results in compression of the effusion.
Than complicated by lung cancer
Neglected to lung cancer join various disease affected organs: pulmonary hemorrhage, atelectasis, bronchial obstruction.
How to diagnose lung cancer
- Urinalysis and blood;
- Biochemical analysis of blood;
- Chest x-ray;
- The cytological research of sputum;
- A biopsy of the lymph vessels;
How to treat lung cancer
The main method in the treatment of lung cancer is surgery. Very often it is combined with chemotherapy and radiation therapy. If it is impossible to carry out the operation treatment is aimed at relief of the patient.