A method and apparatus for planning medical treatment, the method comprising: displaying a first image of a patient or a body part, wherein the body part is to be designed or operated on, the first image having first imaging characteristics； displaying a second image of the patient or the body part, the second image having imaging characteristics different from the first imaging characteristics； displaying an image of a model of the body part； receiving a user indication associated with adapting the model for the patient； and outputting a model adapted for the patient, the adapted model based on the model and on the user indication.
