Figure 7
From: Squamous cell carcinoma: from precursor lesions to high-risk variants

Perineural invasion is seen most frequently at the base of deeply invasive lesions and may portend a worse prognosis.
From: Squamous cell carcinoma: from precursor lesions to high-risk variants

Perineural invasion is seen most frequently at the base of deeply invasive lesions and may portend a worse prognosis.