What kind of cancer is bronchial cancer
summary
Although this is not the time for cancer to be discussed, although many cancers can be prevented and early detection can be cured, the incidence rate of cancer is steadily increasing.
What kind of cancer is bronchial cancer
First, bronchial carcinoma is generally divided into four histological types: squamous cell carcinoma, which usually occurs in the larger bronchus and spreads through direct spread or lymph node metastasis; small cell undifferentiated carcinoma, which produces early blood metastasis; large cell undifferentiated carcinoma, which spreads through blood flow; adenocarcinoma, which is usually peripheral, which spreads through blood flow.
Second, all of the above types can diffuse through lymphatic vessels. The etiology of lung cancer is complex and has not been fully understood. Smoking is the main cause of bronchial lung cancer, accounting for more than 90% of male patients and more than 80% of female patients. 87% of lung cancer is related to tobacco exposure.
Third: the specific symptoms are: the patient's typical performance is cough, with or without hemoptysis. Bronchial stenosis can cause gas entrapment with localized wheezing, often cause atelectasis with mediastinal displacement, decrease of lung expansion, and disappearance of percussion dullness and breathing sound. Late symptoms include fatigue, fatigue, decreased activity, increased cough, dyspnea, anorexia, weight loss and chest pain.
matters needing attention
Smoking is harmful to health. Most people probably don't agree with this sentence. In fact, lung cancer has a lot to do with smoking. It's suggested to quit smoking as soon as possible. If there are bad symptoms, it's suggested to see a doctor as soon as possible.