Wild ginger has an interesting program you can download to print out patterns. I used it a few times to print out some chemo hat patterns.
http://www.wildginger.com/icare/default.htm
"iCare is a fully functional FREE program for creating gowns, pajamas, and accessories for patient medical care.
The purpose of the iCare sewing patterns program is to provide custom-sized sewing patterns for hospital gowns, pajamas, and accessories for medical care. This program is provided free of charge to anyone who wishes to sew garments for non-profit and charitable purposes. "