Unspecified gene mutation refers to the type of genetic variation is not specified in literature, only reported the "gene symbol" + "mutation"; LOH is the abbreviation of loss of heterozygosity

Experiment data is divided into five area: online database (TCGA and GEO) and continent (excluding Antarctica and Oceania); the "Others" in Continent refers to more than 1 data source.

The "Others" in Gene Type refers to muations which is not connected with specific gene or miRNA.