Dot blot analysis performed for 12 selected lung tumours also showed that TFPI-2 protein levels were higher in biopsies expressing high levels of TFPI-2 mRNA (range=0.7–2.2 AU μg−1vs 0.12–0.28 AU μg−1 in ‘low TFPI-2’ tumours, Figure 4). The gene discussed is TFPI2; the disease is neoplasm.