Fig. 1From: Patterns of brain metastasis immediately before prophylactic cranial irradiation (PCI): implications for PCI optimization in limited-stage small cell lung cancerCumulative incidence of pre-PCI BM. The cumulative incidence of pre-PCI BM is shown according to the time interval between treatment initiation and pre-PCI MRI. The bottom number shows the number of patients evaluated and patients with pre-PCI BM detected at different time pointsBack to article page