As a result, we detected 10 universal proteins, whose expression are specific to fibroblasts in 9 tumor types (ASPN, PDGFRA, PDGFRB, MFAP5, CDH11, EMILIN1, COL12A1, COL6A3, NEXN, MFAP2). The gene discussed is COL6A3; the disease is neoplasm.