Introduction: To investigate the impact of respiratory motion on localization. and quantification lung lesions for the Gross Tumour Volume utilizing an in-house developed Auto3Dreg programme and dynamic NURBS-based cardiac-torso digitised phantom (NCAT). Methods: Respiratory motion may result in more than 30% underestimation of the SUV values of lung. liver and kidney tumour lesions. https://safeersappliancers.shop/product-category/aeg-bpe742320m-sensecook-pyrolytic-oven-with-prosight-plus-touch-cont/