Devices descending from K203681
2 later devices reach RT Elements, Cranial SRS w/ Cones, Multiple Brain Mets SRS, Cranial SRS, Spine… through their predicates, nearest generation first.
2 later devices reach RT Elements, Cranial SRS w/ Cones, Multiple Brain Mets SRS, Cranial SRS, Spine… through their predicates, nearest generation first.