def get_brats_regions():
    """
    this is only valid for the brats data in here where the labels are 1, 2, and 3. The original brats data have a
    different labeling convention!
    :return:
    """
    regions = {'whole tumor': (1, 2, 3), 'tumor core': (2, 3),
        'enhancing tumor': (3,)}
    return regions
