Needs attention

SELECT * FROM gallery2 WHERE topic_id="253501" UNION SELECT * FROM gallery2 WHERE topic_id="1697339" UNION SELECT * FROM gallery2 WHERE topic_id="71697" UNION SELECT * FROM gallery2 WHERE topic_id="878213" UNION SELECT * FROM gallery2 WHERE topic_id="859615" UNION SELECT * FROM gallery2 WHERE topic_id="810921" UNION SELECT * FROM gallery2 WHERE topic_id="1548310" UNION SELECT * FROM gallery2 WHERE topic_id="1123056" UNION SELECT * FROM gallery2 WHERE topic_id="1208979" UNION SELECT * FROM gallery2 WHERE topic_id="1570478" UNION SELECT * FROM gallery2 WHERE topic_id="1003698" UNION SELECT * FROM gallery2 WHERE topic_id="939142" UNION SELECT * FROM gallery2 WHERE topic_id="1683507" UNION SELECT * FROM gallery2 WHERE topic_id="1554245" UNION SELECT * FROM gallery2 WHERE topic_id="1380779" UNION SELECT * FROM gallery2 WHERE topic_id="1037858"