Peri-operative SLOG for Localized Pancreatic Cancer

"Gemcitabine 800 mg/m2 on day 1, oxaliplatin 85 mg/m2 on day 1, S-1 orally 80-120 mg/day \[depending on patient's body surface area (BSA)\] on day 1 to 7 and leucovorin 30mg BID day 1 to 7 on in a 2-week cycle. The dose of S-1 is defined as follows:~* BSA \< 1.25 m2: 80 mg/day~* 1.25 m2 ≤ BSA \< 1.5 m2: 100 mg/day~* BSA ≥ 1.5 m2: 120 mg/day"