"Stressful cancelling surgery at the very last..."

I was due for surgery today on my clavicle (detached shoulder)& at the last moment the surgery was cancelled. I heard people talking earlier that there was a problem with a theatre not knowing it would affect me. I was not told a thing just left to wait , wait and wait in my hospital gown from 7.30 am approx until gone 11am I did expect to wait but not without explanation for so long.I was told my surgery would be second in line. after a very long wait I could see the staff nurse making a call around 11am as she could see how long I had been waiting, she then came to me after the call very red faced and told me surgery was cancelled and the surgeon would come and see me and explain I have heard nothing from anyone, I was also told by the staff nurse I would be phoned later I have heard nothing. I changed out of my hospital gown and made my way home I was handed a PALS leaflet from the staff nurse as I left who did everything she could in vain. I left without any explanation but did get offered a drink which seemed more like an offering of kindness. I reported the problem to PALS on the way out and was told my experience would be noted . Over all my experience was very stressful & upsetting and the feeling of being just another number was sad . Maybe someone could try explain why ?as if there was a problem it would be really nice to let the patient know something of an explanation.