Non-smokers can also get lung cancer? Revealing the five major non-traditional risk factors for lung cancer.

Anal cancer is a relatively rare form of cancer, and the types of tumours in the anus are more complex due to their location at the junction of the inner and outer layers of the embryonic tissues. Anal cancer typically originates from the tissues around the anus, including the anal skin, anal canal, or the mucous membrane inside the anus.

Brain tumours are not commonly seen, with approximately 1,000 new cases reported annually in Hong Kong. Among primary malignant brain tumours (i.e., brain cancer), glioblastoma accounts for approximately 80 new topics each year. The brain is the central organ of the human body, controlling our abilities, such as thinking, memory, language, emotions, and activities. Once invaded by cancer cells, the functions of the brain will be affected to varying degrees, and treatment is also more challenging compared to other types of cancers.

Breast cancer is a type of cancer that develops in the breast tissue, where malignant cancer cells grow and spread. Typically, breast cancer originates from the ducts within the breast. The cancerous cells may spread throughout the breast and to other parts of the body.