Signs and symptoms of lung cancer will only occur when the abnormal growth of cells was more severe towards a more advanced stage, and this will take many years since the beginning of its development. There's even a possibility did not show any specific signs and symptoms, but only visible if the X-ray done. But if some of the signs and symptoms below when perceived, should immediately see a doctor:
- Old coughing in people smoking
- Difficulty breathing (shortness of breath)
- Cough out blood (even though small amounts)
- Frequent lung infections (pneumonia or bronchitis)
- The presence of chest pain, shoulder and back section
- Change from the usual voice
- Cough for more than 2 weeks in people who do not smoke
- Others, such as difficulty swallowing, neck and face appeared swollen, decreased appetite, weight loss, quickly tired or weak.