Subsequent NGS testing of the primary tumor revealed the presence of EML4 (exon7)-ALK (exon20) fusion, which is notably distinct from EML4-ALK V1 (exon 13 of EML4 fused to exon 20 of ALK) or V3 (exon 20 of EML4 fused to exon 20 of ALK) variants. The gene discussed is ALK; the disease is neoplasm.