Association of tumour-size with pathological (pT)-stage. Waterfall plot showing the association of tumour-size with pT-stage. X-axis denotes patient numbers; y-axis denotes tumour-size in cm. The horizontal line represents the median tumour size of all cases. Each case is represented by one vertical bar. Cases are ranked according to tumour size. The plot illustrates that among the patients with >pT1, markedly more cases are located above the median line than in the pT1 group. Also, in the >pT1 group, more cases have very large tumours (>8 cm size).