Originally Posted by Blurto

I was diagnosed with TOS on right hand side in October 2010. It was caused by a very large Lipoma, a benign fatty tumour, nestled amongst the nerves, tendons and muscles in the right hand side of my neck, going into the thoracic outlet.
My surgeon reported that it was the size of an orange and had compressed everything in the thoracic outlet area. I had all the usual MRI’s, scans and neurological tests, but they were more to exclude things rather than to diagnose.