The Myc protein is a transcription factor that has crucial roles in regulating gene expression for cell proliferation, metastasis, and metabolism, and deregulation of the proto-oncogene c-Myc leads to the development of many human cancers, including hematological malignancy such as DLBCL and solid tumors such as gastric carcinoma. The gene discussed is MYC; the disease is gastric carcinoma.