Fig. 3From: Intracranial efficacy of alectinib in ALK-positive NSCLC patients with CNS metastases—a multicenter retrospective studyTypical examples in patients treated with alectinib. A Patient 1 who received first-line alectinib experienced significant alleviation in headache. B Headache and dizziness disappeared in patient 2 who received alectinib after the progression of crizotinib. C Headache and vomiting were largely improved in patient 3 who developed CNS progression following the treatment of ceritinibBack to article page