Prolonged sitting down or inactivity may result in leg swelling. When you sit for very long periods, which include on the aircraft or at a desk, blood move slows down, and fluid can accumulate inside the legs. This is usually called “sitting condition” or “travel-linked edema.” You may’t cure lymphedema, https://www.sgvascularctr.com/swollen-leg-why-do-i-have-it-and-what-can-i-do/