The results showed that nine hub DEGs (BGN, COL1A1, COL1A2, FBN1, FN1, SPARC, SPP1, TIMP1, and UBE2C) were associated with poor prognosis in GC patients (p < 0.05) (Figures 4(a)–4(i)). This evidence concerns the gene COL1A1 and gastric cancer.