[EEGator]

https://www.mayoclinic.org/symptoms/leg-swelling/basics/causes/sym-20050910#:~:text=Leg%20swelling%20caused%20by%20the,lymphatic%20system%20or%20the%20kidneys.

[WMarshal]

I agree with EEGator that lymphatic massage could help. You can do it in the bathtub in the shower with your legs raised. I had some edema on the inside of my right ankle that lymphatic massage resolved for me.

https://my.clevelandclinic.org/health/treatments/21768-lymphatic-drainage-massage