Proton therapy is internationally recognized as the most advanced and ideal tumor radiation therapy technology, commonly known as the "high wealth" in the radiotherapy field. At present, only the United States, Japan, Germany and a few other countries have this technology. The proton therapy technology of the United States and Japan is at the forefront of the world, and heavy ion technology is especially popular in Japan. Because it can accurately kill tumor cells, has little side effects on normal tissues, and the treatment process is painless, it is known as the nemesis of cancer. Japan has become the first choice for proton heavy ion therapy due to its advanced technology, high level of medical care, and low cost. The largest number of heavy ion treatment for chordoma in Japan is conducted by Radiotherapy Research Institute. The cost of irradiation for overseas patients is 4.5 million yen/approximately 260,000 yen (patients of foreign nationalities are more expensive than Japanese patients). The cost of proton beam irradiation is about 200,000 RMB depending on the hospital. In addition, the cost of examination, hospitalization, and medication is about 100,000 to 150,000 RMB. These costs do not include accommodation, food, transportation, medical interpreters and overseas medical agents.
About the cost, there is a more important point is that the Japanese hospital will collect the full amount of all the treatment fees in advance or a higher amount of money as a deposit, to avoid the wind of the treatment after the recovery of money.