Fig. 3
From: A nomogram for predicting lymphovascular invasion in lung adenocarcinoma: a retrospective study

Assessment of lymphovascular invasion in lung adenocarcinoma. Photomicrograph (H and E, × 100) showed detached clusters of tumor cells (arrow) inside the vascular lumen beyond the edge of the tumor, suggesting lymphovascular invasion (a). Immunohistochemical staining for CD34 (b) and D2-40 antibodies indicative of lymphovascular invasion in lung adenocarcinoma (c)