Hi. Last Week My Lower Legs And Feet Swelled Up

Hi. Last week my lower legs and feet swelled up two rmes their size. This week the swelling has gone down but now my lower legs, ankles and feet are very sore to touch. Not so much around my toes but the ankles tii pf the feet and my instep. Never happened before. I am a 62 year old female. a cancer survivor. Thank you. My name is Doris