There is no such thing as the best cancer to be cured, as long as it is cancer, it is one of the more difficult to treat. Some cancers are detected early and may be cured by surgery and other comprehensive anti-tumor methods. The more treatable cancers, such as papillary thyroid cancer, are also cancers, but surgery is very effective in curing them radically. For lymph node metastasis in the neck, lymph node dissection in the neck can be done, and surgery can be followed by nuclear iodine-131 therapy, which has a high 5-year survival rate after surgery. There are also some in situ cancers with good effect of surgery, such as breast in situ cancer, lung in situ cancer, etc. Generally, the survival rate of 5-10 years can reach more than 95%, such as this kind of cancer is more curable. Once cancer reaches the middle and late stage, most of them are not good for treatment.