Patent ID: 8019135

Claim:
An apparatus ( 2 ) for providing a 2D representation ( 26 ) of 3D image data representing an anatomical lumen tree structure comprising a plurality of lumen branches, the apparatus comprising:— at least one first input ( 18 ) for receiving first data representing a respective first distance of a plurality of positions along each lumen branch from a respective starting point on said each lumen branch; at least one second input ( 18 ) for receiving second data representing at least one anatomical property of the corresponding said each lumen branch at each of said positions; at least one processor ( 20 ), connected to at least one said first input and at least one said second input, for processing said first and second data to provide third data adapted to be displayed on at least one display device such that said each lumen branch is represented by a respective line ( 28 ), at least one said first distance is represented by a respective second distance along the corresponding said line, and the appearance of a respective portion of said line representing each of said positions varies in dependence upon said anatomical property.