I was gonna give an answer based on how I did things, but ever since there have been procedural changes, vide http://www.cic.gc.ca/english/resources/manuals/bulletins/2012/ob471.asp
"With the release of the new GCMS 4.0, it should be noted that all previous versions of the IMM 1017 form as well as the Appendix C will no longer to be used. With this release, there will be two newly-revised IMM 1017 forms:
IMM 1017: Medical Report: Client Biodata and Summary (not available on our website as it will be GCMS-generated along with medical instructions)
IMM 1017B: Upfront Medical Report: Client Biodata and Summary (not available on our website as panel physicians will have these forms in their office. With the implementation of the new IMM 1017B, Appendix C will no longer be required)"