edit only the upper section of the tall wood cabinet behind the toilet change only the top cabinet door panel to a vertical ribbed fluted wood texture that matches the existing wood tone and color leave the lower cabinet open niche vanity countertop sink mirror toilet shower walls flooring lighting proportions and all other elements completely unchanged do not modify the cabinet size shape color layout or any other part of the image the only change should be adding vertical ribbing to the top section of the tall cabinet
