What does this mean a right plantar calcaneal spur is present without reactive change. os trigonum on the right shows cysts and a spur ?

Nothing w/o symptoms: You need to relay your symptoms to a podiatrist (foot doctor) before interpreting any scan / test. It sounds like this X-ray shows some bony growth in the right heel (calcaneal spur) that's not causing any inflammation (reactive change). The trigonum bone in the foot has fluid pockets & some spurs that'd cause pain on the inside of the foot if it were symptomatic. It could be diabetic Charcot foot