tkregisterfv --mov /Users/djsandoval/Desktop/Selwyn/M87127996-2016004/Baseline/PETCT/PET/PET BRAIN TOF STATIC 2/2016004A/IM-0001-0001.dcm --reg /Users/djsandoval/Desktop/Selwyn/M87127996-2016004/Baseline/PETCT/PET/PET BRAIN TOF STATIC 2/2016004A/IM-0001-0001.dcm --surfs
set: Variable name must begin with a letter