About SMC
SMC (Total beds: 2,000) established in 1994 is one of the leading hospitals in Korea. SMC provides best medical care based on the patient focused concept with the excellent medical staffs as well as the state of the art medical infrastructure and promotes global treatments, research and education.

About SHI

SHI has been continuing the research and development for medical use with accelerators, such as cyclotron, for over 40 years. In 1997, SHI delivered the first proton therapy system to National Cancer Center Hospital East in Japan, which was the first hospital-based proton therapy facility in Japan and the second in the world. The facility has kept stable operation over 17 years. Since then, SHI proton therapy systems were delivered (or planned to be delivered) to seven facilities in Japan, Taiwan and Korea. SHI will contribute towards the wide use of proton therapy for cancer treatment around the world in collaboration with our customers.

*1 Proton Therapy
Proton therapy is one of the promising therapeutic methods against cancer. A proton beam is obtained by accelerating the proton, the atomic nucleus of hydrogen, to high energy level. One of the features of proton therapy is the optimal dose distribution in the human body. Proton beam's Bragg Peak1 makes this radiation very effective for the targeted irradiation of the tumor with lower side effects to surrounding healthy tissues. Unlike surgical procedures, this is a gentle and noninvasive treatment that allows patients to be treated as outpatients and for this reason it is attracting attention around the world. Proton therapy is reported to be adopted for the treatment of cancer in head/neck, lung, liver, esophagus, prostate, etc. from existing facilities in the world.

*2 Cyclotron
Cyclotron is one of circular accelerators and generate protons, accelerating hydrogen nuclei up to 60 % of the speed of light. The Cyclotron enables a short treatment time and hypo-fractionation with high dose rate, and provides continuous beams which are preferable for Line Scanning and respiration gated irradiation for moving target such as lung, liver, etc.

*3 Broad beam irradiation
Broad beam irradiation is conventional technique of proton therapy. Uniform proton beams are irradiated by molding to the shape of the target tumor by the patient specific collimator and compensator.

*4 Spot scanning irradiation
Spot scanning is one the PBS techniques. Target tumor is divided to a few thousand micro regions and is irradiated homogeneously with small spot beams from the deepest one by changing the position.

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