Fig. 1

Photomicrographs illustrating different cases with bulk cancer cell migration (a, b, c), mixed bulk and EMT migration (e), and classical EMT (d); in all of them carcinomas cells invade the vascular wall, in some into the lumen; a-c adenocarcinomas, D squamous cell carcinoma. H&E, magnification bars 50 μm (a, b) and 25× (c, d)