Effects of Preoperative Glutamine Administration on Nutritional and Immunological Improvements and Reduction of Length of Stay in Colorectal Cancer Patients with Malnutrition Desy Natalia1*, Gede Eka Rusdi Antara2, Tjokorda Gde Bagus Mahadewa3,Nyoman Golden3, I Ketut Widiana4, and I Made Mulyawan2 Abstract Background: Penile cancer is rare but has a major