10.6084/m9.figshare.7547603.v1 Zefeng Shen Zefeng Shen Lihu Gu Lihu Gu Danyi Mao Danyi Mao Manman Chen Manman Chen Rongjia Jin Rongjia Jin Additional file 2: of Clinicopathological and prognostic significance of PD-L1 expression in colorectal cancer: a systematic review and meta-analysis Springer Nature 2019 Colorectal cancer PD-L1 expression Prognosis Clinicopathological features Meta-analysis 2019-01-04 05:00:00 Figure https://springernature.figshare.com/articles/figure/Additional_file_2_of_Clinicopathological_and_prognostic_significance_of_PD-L1_expression_in_colorectal_cancer_a_systematic_review_and_meta-analysis/7547603 Figure S1. Forest plots assessing the relationship between PD-L1 and clinicopathological characteristics: (a) gender; (b) grade; (c) lymphatic invasion; (d) microsatellite instability; (e) mucinous properties; (f) stage; (g) the involvement of regional lymph nodes; (h) tumor differentiation; (i) tumor location; (j) the situation of primary tumor; (k) vascular invasion. (PNG 220 kb)