Fig. 1From: Impact of lymphovascular invasion on lymph node metastasis for patients undergoing radical prostatectomy with negative resection marginHematoxylin-Eosin stained microscopy images (×100) of (a) unequivocal and (b) equivocal cases. Tumor emboli observed in a space with the appearance of a vessel but without a recognizable endothelial lining were considered equivocalBack to article page