In endemic goitre areas 20%of the population over 70 years old will have a retrosternal goitre. The definition of a retrosternal goitre varies with respective authors, there are four major definitions.
I started PT after 10 days and can straighten my leg, bend to a little past 90 degrees and walk without crutches three days before the 3 week post surgery mark.
You should be able to stop using your crutches or walking frame and resume normal leisure activities six weeks after surgery. However, it may take up to three months for pain and swelling to settle down. It can take up to a year for any leg swelling to disappear.