Welcome to HCM,
You are Overweight
and Hypothyroid and taking Thyronorm,as your TSH was just 8.9 it is mild hypothyroidism
, you are not able to lose weight you have not mentioned your age as one grow and metabolism
becomes slow,please understand that weight loss
depends on calories expenditure and intake in diet .
Please repeat Thyroid function and TSH is normal then dose may be reduced of Thyronorm.'
In hypothyroid there is some swelling is there but not responsible overweight.
Weight loss is possible you have to take low calories in diet and you have to find some times for exercise.
Please talk to your Physician if he thinks it is required drugs like Orlistat may be prescribed to you for results.
You can also take up yoga and meditation
as you are stressed due to work it is possible that you take more calories in diet as stress may cause person to eat more.