Retrograde Intubation in Advanced Nasopharyngeal Carcinoma with Airway Obstruction: A Case Report and Literature ReviewLaxman Wagle MBBS1*, Dhiraj Raj Regmi MBBS2, Sangharsha Thapa MBBS3, Mustafa Abdulmahdi MD4Department of Internal Medicine, Ascension Saint Agnes Hospital, Maryland, USADepartment of Internal Medicine Residency, MedStar Health, Maryland, USADepartment of Neurology, Westchester Medical Center, New York, USADepartment of Internal Medicine, Ascension Saint Agnes Hospital, Maryland, USA*Corresponding author: Laxman Wagle, Department of Internal Medicine, Ascension Saint Agnes Hospital, Maryland, USA. Email: [email protected], Contact Number: +1-410-907-5111