Fig. 2From: Whether surgical resection or biopsy makes difference in single lesion primary central nervous system lymphoma: a single center retrospective cohort studyUnivariate analysis performed on PFS and OS stratified by potential factors Kaplan–Meier progression-free survival curve stratified by various risk factors. Factors including age > 60 years (a), deep brain involvement (c), tumor size (e), MUM-1 positivity (g), post-operation treatment. Kaplan–Meier overall survival curve stratified by various risk factors. Factors including age > 60 years (b), deep brain involvement (d), tumor size (f), MUM-1 positivity (h), post-operation treatmentBack to article page