Although they're progressing at a snail's pace, the NCCN is making some headway in publishing patient-friendly treatment guidelines for different cancers. Up to now they have had such guidelines available for:
Breast Cancer
Prostate Cancer
Non-Small Cell Lung Cancer'
Ovarian Cancer
Multiple Myeloma
Melanoma
And the most recent entry is for Chronic Myeloid (or myelogenous) Leukemia (CML).
You can see and download any of those guidelines HERE.