This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
All are precancerous except - 
Select and explain. 
A. Lichen planus, B. Verrucous carcinoma, C. Submucous fibrosis, D. Leukoplakia
B: Verrucous carcinoma
Answer: B: Verrucous carcinoma 
Explanation: Robbins basic pathology 9th edition page no 857,Heading=Verrucea Verrucea are caused by human papilloma virus. Some members of the HPV family are associated with preneoplastic and invasive cancers of anigenital region. In contrast with HPV associated carcinomas, most was are caused by low risk HPV subtypes that lack transforming potantial.