A system for facilitating creation of a radiation treatment plan, the system comprising: a database of previously planned radiation treatments of other radiation treatment patients; memory that stores computer-executable instructions; and at least one processor configured to execute the computer-executable instructions, which, when executed, cause the at least one processor to provide: a feature extractor configured to extract one or more features from patient data obtained from a patient data source; characterised in that the at least one processor is further configured to provide: a prediction component configured to receive extracted features from the feature extractor and to determine at least one metric correlated to a radiation treatment dose, wherein the prediction component is configured to determine the at least one metric using machine learning, and the prediction component determines the at least one metric using information in the database of previously planned radiation treatments; a search component configured to receive the at least one metric related to patient treatment from the prediction component, and to identify, based on the at least one metric, at least one matching plan from the database of previously planned radiation treatments; and a user interface configured to present, to a user, a treatment plan selected using a metric determined by the prediction component. a database of previously planned radiation treatments of other radiation treatment patients; memory that stores computer-executable instructions; and at least one processor configured to execute the computer-executable instructions, which, when executed, cause the at least one processor to provide: a feature extractor configured to extract one or more features from patient data obtained from a patient data source; characterised in that the at least one processor is further configured to provide: a prediction component configured to receive extracted features from the feature extractor and to determine at least one metric correlated to a radiation treatment dose, wherein the prediction component is configured to determine the at least one metric using machine learning, and the prediction component determines the at least one metric using information in the database of previously planned radiation treatments; a search component configured to receive the at least one metric related to patient treatment from the prediction component, and to identify, based on the at least one metric, at least one matching plan from the database of previously planned radiation treatments; and a user interface configured to present, to a user, a treatment plan selected using a metric determined by the prediction component. a feature extractor configured to extract one or more features from patient data obtained from a patient data source; characterised in that the at least one processor is further configured to provide: a prediction component configured to receive extracted features from the feature extractor and to determine at least one metric correlated to a radiation treatment dose, wherein the prediction component is configured to determine the at least one metric using machine learning, and the prediction component determines the at least one metric using information in the database of previously planned radiation treatments; a search component configured to receive the at least one metric related to patient treatment from the prediction component, and to identify, based on the at least one metric, at least one matching plan from the database of previously planned radiation treatments; and a user interface configured to present, to a user, a treatment plan selected using a metric determined by the prediction component. a prediction component configured to receive extracted features from the feature extractor and to determine at least one metric correlated to a radiation treatment dose, wherein the prediction component is configured to determine the at least one metric using machine learning, and the prediction component determines the at least one metric using information in the database of previously planned radiation treatments; a search component configured to receive the at least one metric related to patient treatment from the prediction component, and to identify, based on the at least one metric, at least one matching plan from the database of previously planned radiation treatments; and a user interface configured to present, to a user, a treatment plan selected using a metric determined by the prediction component.