Fig. 1

Computed tomography (CT)-guided autologous blood localization on a 65-year-old female with a 8 mm pure ground-glass nodule in the left lower lobe. A CT image showing a small pulmonary nodule (arrow) in the left lower lung lobe; B CT image showing the coaxial needle placement 5–10 mm caudal to the nodule (arrow); C CT image showing the change after the injection of the suspension of autologous blood (arrow); D hematoma on the pleura (white arrow) during video-assisted thoracoscopic surgery