Case report: Clinical and molecular features of renal gastrointestinal tumor - Makker, Simran; Rammal, Rayan; Gu, Ping; Dalbagni, Guido; Al-Ahmadie, Hikmat; Agaram, Narasimhan P.; Iyer, Gopa; Kotecha, Ritesh R. (Frontiers in Oncology, 2025)