The lymph nodes, for example, are response for filtering bodily fluid and bolstering the immune system.
“There are lots of lymph nodes in the groin area, which is close to the prostate gland,” Cancer Research UK stated.
Most commonly, the cancerous area will swell and become sore, and when cancer cells prevent lymph fluids from draining away, the legs could swell.
If you are concerned about any symptoms, do speak to your healthcare team who can support you.