Surgery / Decision Making / Situation awareness / Decision Support Systems / Visual Communication / Decision support system / Data Visualisation / Focus Group / MENTAL MODEL / Real Time / Image Guidance / Minimally Invasive / Rule Based / Medical Informatic / Minimal Invasive Surgery / Information System / Decision support system / Data Visualisation / Focus Group / MENTAL MODEL / Real Time / Image Guidance / Minimally Invasive / Rule Based / Medical Informatic / Minimal Invasive Surgery / Information System