Since the time of writing the present report, another study in paraffin-embedded tumour tissue has confirmed the role of ERCC1 mRNA expression in a heterogeneous cohort of gastric cancer patients – 69 treated with S-1, 23 with 5-FU and 43 with cisplatin plus either irinotecan or S-1. The gene discussed is ERCC1; the disease is neoplasm.