Narodowy Instytut Onkologii im. Marii Skłodowskiej, also known as the Maria Sklodowska-Curie National Research Institute of Oncology, is a prominent institution in Warsaw dedicated to cancer research, treatment, and healthcare. With branches in Cracow and Gliwice, the institute conducts extensive studies on the causes and mechanisms of cancer development.

Their research includes investigating the role of epigenetics and Micro-RNA in carcinogenesis, identifying new therapeutic targets for anti-tumor therapies, and studying population-based assessments to stratify genetically at-risk groups. The institute also focuses on exploring molecular markers for diagnosing cancer and developing genetic profiles for laboratory animals used in animal modeling. Aside from research, the institute provides highly specialized diagnostics, therapies, and rehabilitation services for cancer patients.

They offer modern radiotherapy facilities, diagnostic departments, and specialist clinics. The institute also participates in multi-center projects and prospective clinical studies, assessing combination and adjuvant treatments for various types of cancer. With an 85-year tradition and a history rooted in the vision of Maria Skłodowska-Curie, the institute continues to be a leader in the field of oncology, improving existing treatment methods and developing new ones