COL1A1 and neoplasm: The violin plot showed the metastasis-related genes were higher expression in LUAD tumor tissues (Figure 6A), but only LAMC2, THBS2, ITGB4, COL1A1 and FLNC showed positively correlated with poorer survival of LUAD (Figure 6B) and the expression level of GPR115 (Figure 6C).