Figure 3
From: Multiple primary tumours: incidence estimation in the presence of competing risks
Cumulative probability of a second tumour after breast cancer. Panel A: All cancers (excluding skin cancer). Panel B: Corpus Uteri. Panel C: cancers related to radiotherapy (oesophagus, stomach, lung and thyroid gland). 
is the cumulative observed probability of a second tumour in the cohort of patients with a primary tumour, with its 95% upper (95% ul) and lower (95% ll) confidence limits. 
is the cumulative estimated probability of a second tumour assuming a constant intensity taken from the general population.