I am experiencing a pain on my lower <a style='text-decoration: none; border-bottom: 3px double;' href="http://http://www.serverlogic3.com/lm/rtl3.asp?si=22&k=left%20hand" onmouseover="window.status='left hand'; return true;" onmouseout="window.status=''; return true;">left hand</a> side, what could it be from?