Case Report
Copyright ©The Author(s) 2023.
World J Clin Cases. Jun 26, 2023; 11(18): 4326-4333
Published online Jun 26, 2023. doi: 10.12998/wjcc.v11.i18.4326
Figure 4
Figure 4 Immunohistochemical and Special staining. A: The immunohistochemical staining was cytokeratin positive (100 ×, the yellow arrow); B: Special staining showed a Prussian blue staining positive for hemosiderin in the alveolar cavity (100 ×, the yellow arrow).