A method includes receiving a first patient model of the patient, the first patient model including a first image dataset of the patient, the first image dataset being coordinated relative to a first coordinate system； receiving a second image dataset of the patient, the second image dataset being based on a medical imaging apparatus and being coordinated relative to a second coordinate system； determining a transformation function to transfer the second coordinate system into the first coordinate system； determining a transformed second image dataset based on the second image dataset and the transformation function； and providing a second patient model of the patient, the second patient model including the modified first image dataset.
