A 52-year-old man with a history of type 2 diabetes and hypertension presents to the pre-anesthetic clinic for evaluation before elective laparoscopic cholecystectomy. On airway examination, when the patient is asked to open his mouth maximally and protrude his tongue, the examiner can visualize the soft palate, fauces, uvula, and anterior and posterior tonsillar pillars. The patient has a normal neck circumference (38 cm), normal thyromental distance (6.5 cm), and normal interincisor distance (4 cm). What is the Mallampati grade of this patient?