Abstract
Oral squamous cell carcinoma (OSCC) is one of the most common types of cancer of the head and neck region. Unlike OSCC, which is associated with risk factors such as tobacco and alcohol, SCC of the lower lip (SCC-LL), often associated with sun exposure, follows a less aggressive clinical course and with low rates of metastasis. Actinic cheilitis (AC), a potentially malignant disorder comm…