IL1A and metastatic neoplasm: Larger metastatic tumor and higher metastatic frequency were observed in the group with SC-CM or SC-induced CAF-CM treatment (Fig. 7i–l and Supplementary Fig. S9m, n, G2 vs G1; G5 vs G4; Supplementary Fig. S9o–s, IL-1α (G3) was used as a positive control).