There are many kinds of tumors in the clinical division, there are benign and malignant, but also some other common people are more strange
There are many kinds of tumors in the clinical division, there are benign and malignant, but also some other common people are more strange points. Here are some simple introduction.
We have two kinds of lung cancer according to the lesion of lung cancer: central type of lung cancer and peripheral lung cancer, central lung cancer occurred in the tracheobronchial lumen of the tumor, usually in patients with lung cancer such as respiratory symptoms such as cough, early, fever, pneumonia...... Early detection rate is high. Peripheral lung cancer is long at the III level of bronchial lung tissue in the hospital, the difficulties in early diagnosis of tumor growth, to a certain extent obvious clinical symptoms to hospital. Peripheral lung cancer, if not through a physical examination, it is difficult to early detection. Another classification, we divide lung cancer into small cell lung cancer and non-small cell lung cancer, small cell lung cancer growth is relatively rapid, high degree of malignancy, more sensitive to a variety of chemotherapeutic drugs. The degree of malignancy of non-small cell lung cancer (NSCLC) is lower than that of small cell lung cancer (NSCLC). It can be divided into adenocarcinoma, squamous cell carcinoma, squamous cell carcinoma, squamous cell carcinoma and large cell lung cancer (NSCLC). Different types of lung cancer predilection sites are not the same, such as squamous cell carcinoma and small cell lung cancer, most of the central type of lung cancer, more common in men, with smoking are closely related, more evidence. Lung adenocarcinoma is generally peripheral lung cancer, more common in women, and smoking is not close, there is little evidence of direct correlation, there are studies show that: with passive smoking (secondhand smoke) and environmental carcinogenic factors. One
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