Successful apatinib treatment for advanced clear cell renal carcinoma as a first-line palliative treatment: A case report

Figure 1 Lumbar computed tomography was taken on March 5, 2018, which showed lumbar spinous process level occupied space with destruction and absorption of lumbar 2 appendages and invasion of the spinal canal. A: Sagittal sections of the masses; B: Coronal sections of the masses (red arrow).

Figure 2 Haematoxylin and eosin staining of a tumour section. A: Under × 10 times microscope; B: Under × 40 times microscope. Immunohistochemical staining of a tumour section; C: It showed that CD10 was postive; D: It showed that CD20 was negtive.

Figure 3 Computed tomography images during treatment showing the changes of the mass. A: Computed tomography (CT) images obtained on July 26, 2018; B: CT images obtained on October 20, 2018; C: CT images obtained on March 5, 2019; D: CT images obtained on December 24, 2019; E: CT images obtained on October 5, 2020; F: CT images obtained on December 14, 2020.