 [ Symptoms ] what causes swelling in one ankle and lower leg in 93 year old woman and what specialist should she see  the 93 yr old women is in good health and only take vitamins no prescriptions she has been told she is in the middle of alzheimer is disease her left leg below the knee swells everyday without pain she also has a sore with scab the size of a quarter on this leg what causes this and what specialist should she see [ Disease ] hi some tuna is ok once a week but every day not so good they say dogs can live on the same dog food every day for life but not tuna good luck