Kaplan-Maier survival curves of 10-year DFS (A and B) and OS (C and D) according to PS 0 and PS≥1 in patients treated with adjuvant chemotherapy after surgery for stages II–III CRC. The patients are divided into elderly (≥70 years, grey) and younger (<70 years, black). Kaplan-Maier survival curves of 10-year DFS (A and B) and OS (C and D) according to PS 0 and PS≥1 in patients treated with adjuvant chemotherapy after surgery for stages II–III CRC. The patients are divided into elderly (≥70 years, grey) and younger (<70 years, black). CRC, colorectal cancer; DFS, disease-free survival; OS, overall survival; PS, performance status. C M Lund et al. ESMO Open 2016;1:e000087 Copyright © European Society for Medical Oncology. All rights reserved.