Anyone with diabetic issues and an untreated an infection inside of a foot or leg could establish gangrene. Gangrene involves tissues dying as a result of serious an infection or lessened blood provide.   There's a challenge with data submitted for this request. Review/update the data highlighted down below and https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/