PABPN1 and carcinoma of esophagus: GH-pAb2 was shown to target almost all liver patients’ biopsies, with an average of 8.31% ± 2.08%, but also almost all biopsies from anal cancer, head and neck cancer, and oesophageal cancer with a low intensity (1%–9% stained area) and 60% of gastric cancer of Asian descent, with an average of 45.32% ± 4.07% stained area on average on positive biopsies (Table 3).