| Usually in the early of lung cancer, there are no special | | | | 2. Blood In Sputum |
| symptoms. Only when lung cancer is developed to a | | | | Tumour causes cell necrosis and broken of capillaries, |
| certain stage, there will be some symptoms, including | | | | a small amount of bleeding mixed with sputum and so |
| cough, blood in sputum, fever, chest pain, chest | | | | this Intermittent or persistent symptom appears. About |
| tightness and some other respiratory symptoms. Lung | | | | 50% of the patients with lung cancer have this |
| cancer may easily be overlooked or be treated as | | | | symptom. |
| pneumonia, so to cause the delay condition. People | | | | 3. Chest Pain |
| above 40 years old especially have a long history of | | | | About 30%-40% of lung cancer patients will appear |
| smoking or passive smoking, must have a regular | | | | chest pain, generally not keen intermittent chest pain, |
| physical examination annually. People should also be | | | | mainly shown as stuffy pain or vague pain with |
| vigilant immediately for medical treatment when the | | | | uncertain location, may continue from several minutes |
| following performance appears, which is helpful to find | | | | to several hours. |
| lung cancer in time. | | | | 4. Repeated Fever |
| 1. Chronic Cough | | | | Bronchial cavity was blocked by tumor, poor drainage |
| Tumour stimulates the trachea, will often lead to | | | | may lead to fever. The body temperature is generally |
| irritating cough. This cough has nothing to do with the | | | | under 38 degrees. Treat early with antibiotic, the body |
| season, time or medication. This is the most common | | | | temperature can return to normal, but easy to relapse. |
| symptoms of lung cancer, and about 2/3 of the | | | | 5. Chest Tightness And Shortness Of Breath |
| patients have this symptom. People must be prudent | | | | Tumor will affect the normal lung function, and will lead |
| when there is a cough of unknown causes. Some | | | | to chest tightness and shortness of breath when |
| people who has a long-term chronic cough must go to | | | | people are tired, which is the most obvious in central |
| see a doctor when he feels that the cough situation | | | | lung cancer. |
| has changed. | | | | |