In my opinion I would go see the doctor before I had my heart attack my left hand swelled up my cardiologist said it was a warning sign I'm no doctor but that's my opinion God bless you and I hope you get better you're in my prayers

When in doubt go see the experts or at least call to get their take on it.

Good morning Perry2 ,
The left leg is usually where they harvest the Saphenous Vein , swelling in that area is common . But if it's unusual for you then I would call and ask a Doctor ! Good Luck and stay healthy .
Monty

I would suggest to see your cardiologist as soon as possible.

Thank you LawrenceWagle have a blessed day