1277PDA phase II randomized trial of adjuvant chemotherapy for the patients completely resected pathological stage IB (T > 5cm), II, IIIA non-small cell lung cancer comparing S-1 versus S-1 with cisplatin. (18th September 2017) - Okamoto, T.; Yano, T.; Shimokawa, M.; Takeo, S.; Yamazaki, K.; Sugio, K.; Takenoyama, M.; Nagashima, A.; Tagawa, T.; Emi, Y.; Maehara, Y.