Concord Medical Services Holdings Ltd operates radiotherapy and diagnostic imaging centers in China. The company operates more than 90 cooperative centers based in over 57 hospitals, spanning 49 cities across 19 provinces and administrative regions in China. Its network includes more than 50 radiotherapy centers and over 30 diagnostic imaging centers and 3 centers providing other treatment and diagnostic services, such as electroencephalography for the diagnosis of epilepsy, thermotherapy to increase the efficacy of and for pain relief after radiotherapy and chemotherapy, high intensity focused ultrasound therapy for the treatment of cancer, stereotactic radiofrequency ablation for the treatment of Parkinson's Disease and refraction and tonometry for the diagnosis of ophthalmic conditions.