As an expert in the field of epidemiology, I can provide you with an informed response to your question. Cancer is indeed a significant cause of mortality globally. According to the World Health Organization (WHO), cancer was responsible for 8.8 million deaths in 2015, making it a leading cause of death worldwide. However, it is important to note that the leading cause of death can vary by region and over time. For instance, while cancer is a major cause of death, cardiovascular diseases often hold the top spot in many developed countries. In the case of lung cancer specifically, it is one of the most common types of cancer and is a leading cause of cancer-related deaths, with 1.69 million deaths attributed to it in 2015. read more >>

Cancer is a leading cause of death worldwide, accounting for 8.8 million deaths in 2015. The most common causes of cancer death are cancers of: Lung (1.69 million deaths)read more >>