How many cancers are there?

At this stage, there are more than 100 different types of cancer, but only a few are common cancers. about 80% of cancers occur in 14 different places, including breast cancer, lung cancer, colon cancer, prostate cancer, bladder cancer, nasopharyngeal cancer, esophageal cancer, stomach cancer, uterine cancer, ovarian cancer, liver cancer, melanoma and leukemia. The four most common types of cancer are lung cancer, stomach cancer, liver cancer and colorectal cancer, which together account for more than half of all cancers and account for about 700,000 new lung cancer cases each year.