Oral carcinoma cuniculatum: A rare entity with diagnostic challenges. A series of 5 cases and review of literatureMohit Malhotra, Asreen Suhana, Siddhartha Basuroy, Ashok K Das, Tashnin Rahman, Rukmini Bezbaruah, Shiraj Ahmed and Lopamudra KakotiVis Cancer Med, 7 (2026) 2DOI: https://doi.org/10.1051/vcm/2026003