Thanks for your patience.
Hopefully the thyroid stimulating hormone and perhaps free
T4 were checked for thyroid issues.
I agree that a history and physical is necessary in your case.
What did your family physician come up with?
Checking the neurological status of the arm, strength,range of motion, and tenderness are all important.
Regarding the leg swelling, checking for varicose veins, temperate of skin, any skin ulcers, pulses, or tenderness is a good start.
Keep us updated.