One provides (101) a plurality of different treatment plans for a given patient, wherein at least one such plans is provided by using deformation information that is obtained by using historical information for persons other than the given patient regarding physical changes over time as correspond to at least one volume within the given patient and/or calculated information regarding physical changes as correspond to the at least one volume within the patient. Obtained data (102) as pertains to the patient is then used to select (103) a particular one of the aforementioned plurality of different treatment plans.
