Model Parameter Mean SE/SD/range Distribution Source Probabilities p  p Progressive Disease 0.85 fixed * Diagnostics PET-CT  p imaging test true positive (Sensitivity) * * beta *  p imaging test true negative (Specificity) * * beta * CT  p imaging test true positive (Sensitivity) * * beta *  p imaging test true negative (Specificity) * * beta * X-Ray  p imaging test true positive (Sensitivity) * * beta *  p imaging test true negative (Specificity) * * beta * Costs c (€) Diagnostics  c PET-CT whole body 1.364 € fixed [35],*  c CT chest 204 € fixed [35],*  c X-Ray chest 39 € fixed [35],* Treatment  c * * * * * Utilities (u)  u No disease 0.68 0.1 beta [1],*  u Progression, detected * * beta [1],*  u Progression, undetected * * beta [1],*  u Dead 0.00 * fixed [1],*