Can a 50% blockage of the LAD be treated with medicine instead of a stent?

Can a 50% blockage of LAD (left anterior descending) with mild segment be treated or reduce the amount of blockage by medicine, without putting in a stent? Regards.

Submitted by Daud from Kabul, Afghanistan on 02/06/2014

If only 50%, then risk factor modification is all that is required.