Soesilo, F. E.; Yunita, Y.; Saputra, A. T.; Soeselo, D. A. Sigmoid Volvulus Causing Prolonged Complete Mechanical Intestinal Obstruction Without Bowel Ischemia in a Geriatric Patient: A Case Report: Case Report. Cermin Dunia Kedokteran 2026, 53, 688–692.