In recent years, based on the gradual development of artificial intelligence in the field of precision radiotherapy, Professor Zhang Zhen and Dr Weigang Hu have led a team to continue exploring research in intelligent outlining and planning. At the end of 2019, the hospital introduced the world's first integrated CT-linac from UIH, with an integrated design of linear gas pedal and diagnostic-grade CT, which combines analogue positioning CT and radiotherapy into one. Patients do not have to run from site to site and can complete the entire radiotherapy process by lying on the treatment bed at once. In addition, artificial intelligence can accelerate the output of high-quality outline and planning results, which can shorten the original hours of outline and planning work to a few minutes, significantly improving the efficiency of radiotherapy. Director Zhang Zhen saw a turning point in this, "This is the perfect combination of research and development and product design, and if it is expected to fully integrate the two advantages into one workflow, that is the fundamental way to break the game." Therefore, Director Zhang Zhen took the lead in proposing All-In-One one-stop radiotherapy.
At 9:00 a.m. on March 2, 2021, the first clinical test of this idea was held: for the first time, physicians, physicists and technicians gathered in the control room to perform the first radiotherapy treatment for a rectal cancer patient using All-In-One one-stopradiotherapy technology.CT simulation positioning, intelligent outline and review modification, automatic planning, automatic reset, plan evaluation and review, CT image guidance, treatment and EPID real-time dose monitoring quality control were performed sequentially, and the whole process was completed in 23 minutes in one go, overturning the traditional first radiotherapy process that could only be completed in at least several days. This is a new tumor treatment model created by artificial intelligence technology, which has opened the era of intelligent tumor treatment 2.0.