Commonly encountered in practice is lower extremity swelling aka as edema. Edema occurs for various reasons including, venous insufficiency, congestive heart failure, non-ambulatory status. It leads to so many problems once it gets worse. It leads to chronic wounds, and typically heralds a poor prognosis. Still with all the technology we have, 20-30mmHg compression hose are a mainstay of treatment. Must reduce the swelling. If you are running into barriers getting these for yourself or for a loved one, order it and deliver it. The time saved may be worth much more than the dollar amount. See the chart for sizing and buy accordingly.