1. A system to determine an anatomical landmark in an anatomy, comprising: a processor operable to execute instructions; a memory system to store instructions to be executed by the processor and image data of the anatomy; a display operable to display the determined anatomical landmark in the image data in the anatomy; and a user input to provide a seed datum in the image data to the processor; wherein the processor is operable to execute instructions stored in the memory system to determine the anatomical landmark in the anatomy based upon the seed datum in the image data.