Here, the pancreatic cancer patients had a median PIG-A mutant frequency of 5.775 (95% CI 4.777–10) mutants per million compared to 9.75 (95% CI 4.36–17.52) mutants per million for oesophageal adenocarcinoma patients in the above-mentioned study. The gene discussed is PIGA; the disease is esophageal adenocarcinoma.