Tomography--the deciding factor.
D002758:Cholangiography; D005121:Extremities / Q000000981:diagnostic imaging; D006801:Humans; D007830:Larynx / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic; D012886:Skull / Q000000981:diagnostic imaging; D013131:Spine / Q000000981:diagnostic imaging; D014056:Tomography, X-Ray / Q000379:methods*