A table that has five rows and four columns. The header rows from left to right read “Tumor group (Aldape study)”, “Tumor group (Raleigh study)”, “Chance of growing back”, and “Defining feature.” The first row reads Benign NF2 wildtype, Merlin-intact, Low, and At least one normal copy of NF2 gene. The second row reads Immunogenic, Immune-enriched, Low/Intermediate and Influx of immune cells. The third row reads Hypermetabolic, -, High and High activity of cell metabolism genes. The last row reads Proliferative, Hypermitotic, High and Genetic and epigenetic changes driving unchecked cell division.