Hi Brenda,
Welcome to HCM.
Those are the normal blood vessels supplying the right side of head and right upper limb, and it appeared, as if there was some
soft tissue growth in the para-tracheal region.
There is absolutely nothing to worry, since what they thought to be mass lesions turned out to be normal blood vessels traversing to their destination.
You can rest assured that there is nothing serious.
Have a good day.