def print_series_info(self, series_info, minimal_series_number=1):
        """
        Print series_info from dcmdirstats
        """
        strinfo = ''
        if len(series_info) > minimal_series_number:
            for serie_number in series_info.keys():
                strl = get_one_serie_info(series_info, serie_number)
                strinfo = strinfo + strl + '\n'
                # rint strl

        return strinfo
Print series_info from dcmdirstats