Fig. 1

a–c A 47-year-old man suffering from right shoulder pain for 3 days after trauma. a Plain radiography was reported to be normal because the radiologist missed the subtle low-density fracture line due to the overlapping position and careless reading. Axial computed tomography (CT) image (b) and three-dimensional (3D) reconstruction (c) showed scapular fractures below the coracoid (arrow). d–f Gradually enlarged low-density liver metastasis in a 32-year-old woman after radical resection and chemotherapy of sigmoid cancer. The images demonstrated an ill-defined margin and heterogeneous enhancement. The lesion was not detected and reported in a timely manner from the first two CT scans (d, e) because it was small and located at the top of the liver