Background and purpose: 18F-flurodeoxyglucose (18F-FDG) positron emission tomography and computed tomography (PET/CT) is a common method for the diagnosis of malignant tumors with distant metastases. However the detection of lung metastases. especially small lesions. is still unsatisfactory. https://www.bekindtopets.com/special-pick-Behlen-Country-Windvane-Mineral-Feeder-super-save/