A Patient Has Received a Diagnosis of Gastric Cancer and Is

A patient has received a diagnosis of gastric cancer and is awaiting a surgical date. During the preoperative period, the patient should adopt what dietary guidelines?

A) Eat small, frequent meals with high calorie and vitamin content.
B) Eat frequent meals with an equal balance of fat, carbohydrates, and protein.
C) Eat frequent, low-fat meals with high protein content.
D) Try to maintain the pre-diagnosis pattern of eating.