Fig. 1

Disease-specific survival analysis of colorectal cancer patients diagnosed in A) 1991–2005 and B) 2006–2016. Finnish Cancer Registry classes: 0) unknown; 1) localised; 2) nonlocalised with only regional lymph node metastases; 3) metastasised further than to regional lymph nodes or invasion to adjacent tissues; 4) nonlocalised with no information on extent; 5) locally advanced with the tumour invading adjacent tissues; and 6) nonlocalised with distant lymph node metastases as well. p value for log-rank test