Late-week surgical treatment of endometrial cancer is associated with worse long-term outcome: Results from a prospective, multicenter study. oleh Tormund S Njølstad, Henrica M Werner, Janusz Marcickiewicz, Solveig Tingulstad, Anne C Staff, Klaus Oddenes, Line Bjørge, Marie E Engh, Kathrine Woie, Jostein Tjugum, Margaret S Lode, Frederic Amant, Helga B Salvesen, Jone Trovik