Lung cancer that originated from br

Lung cancer that originated from bronchial epithelium. This disease is one of the most common causes of death among malignancies throughout the world.1,2 In the United States, lung cancer is the second most common cause of death in male and the third most common cause of death in female. In 2003 there were 157.200 death cases caused by lung cancer and 171.900 new cases were found, increased to 173.770 new cases the next year.3 In Japan, lung cancer is the most common cause of death in male and is the second most common cause of death in female. This is due to increasing number of smokers among women.
In general, lung cancer manifests in persons above 40 and mostly in those 60-70 years of age. This disease is seldom found in those below 35 years of age. The ratio of lung cancer found in male and female is 1.4 : 1.3,4 In Indonesia lung cancer ranks the fourth among the most common cancers after breast, cervical and nasopharyngeal cancer. The ratio between male and female patients is 4 : 1.5