Sevil Mammadov, a well-known doctor of the National Center of Oncology passed away. Sevil Mammadova worked at the National Center of Oncology for more than 40 years. She worked as a gynecologist in the Department of Diagnosis and Treatment of Precancerous Diseases of the National Center of Oncology. Her co-workers remember her as a sensitive, kind, and sincere person. The management and staff of the National Center of Oncology express their deep condolences to her family. Rest in peace!