Tizz, I don't think they're "quite common" but my Medical oncologist was close to giving me one when my red blood cell count was really low (they had been giving me procrit but it wasn't working very well). He ended up deciding to wait a couple of weeks and see if things improved and they did.

SCC(T2N0M0) part.glossectomy & neck dissect 2/9/05 & 2/25/05.33 IMRT(66 Gy),2 Cisplatin ended 06/03/05.Stage I breast cancer treated 2/05-11/05.Surgery to remove esophageal stricture 07/06, still having dilatations to keep esophagus open.Dysphagia. "When you're going through hell, keep going"