Figure 2From: Case report: upper arm metastasis of an oral squamous cell carcinomaMicroscopic findings of the primary tumor: moderately differentiated squamous cell carcinoma with perineural infiltration (a). The microscopic findings of a macroscopically visible nodule in the neck dissection specimen (Level Ib, right side) showed a hemangiosis carcinomatosa (V2) (b).Back to article page