Mildly abnormal results of lexiscan non exercise stress test indicates that you have an area of you heart that is not receiving enough blood. Often a blockage in one of the cornary arteries is the reason for this. And you will need to undergo further the cardiac catherization. If there is a blockage if you are at a place that does intervention they will most likely attempt to place a stent. So you need to be seen by your doctor for a clinical corelation of your investigations findings and referral to a cardiologist should be considered.
I hope this helps.
Please rate me highly (Star 5 Great Service), if you are satisfied with our conversation.
If you have any further query then feel free to ask.
Bonus and positive feedback are highly appreciated.