Manuscript Title: Basal cell carcinoma arising within a bacillus calmette-guérin vaccination scar with prolonged inflammatory response: case reportAuthors: Marwa3 Hallal, and Zeina1,2* Tannous1Department of Dermatology, Lebanese American University Medical Center - Rizk Hospital, Beirut, Lebanon.2Department of Dermatology, Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.3School of Medicine, Lebanese American University, Byblos, Lebanon.Acknowledgements: Not applicable*Corresponding author : Prof. Zeina Tannous, Department of Dermatology Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University.P.O. Box 36, Byblos, Lebanon. Phone: (961) 01-200800, Ext. 6680.