SF_11.2, SF_12.0, SF_12.1, SF_12.2, SF_13.0, SF_13.1, SF_13.2, SF_13.3, SF_14.0, SF_14.1, SF_14.2, SF_14.3 - https://www.progress.com/documentation/sitefinity-cms/reference---default-custom-fields-templates

ChoicesDefaultTemplate.cshtml

<div>
    <strong> Select a choice :</strong>
    @if(Model.Item.Fields.{{NameOfField}} != null)
    {
        <span @Html.InlineEditingFieldAttributes("{{NameOfField}}", "ChoicesRadioButtons")>
            @Model.Item.GetChoiceLabel("{{NameOfField}}", @Model.ContentType)
        </span>
    }
</div>