Fig. 2From: Oral cancer among Khat users: finding evidence from DNA analysis of nine cancer-related gene mutationsImages of a 70-year-old patient with khat chewing experience since the age of 33 (a long-term khat abuser diagnosed with OSCC on the lower lip) shows exophytic lesions (initiated two months ago). The clinical evaluation revealed the following: red-white exophytic lesion accompanied by dark discoloration, lack of sensation during palpation, history of fever, and no lymph nodes seen. Biopsy analysis revealed verrucous carcinoma on the lower lipBack to article page