American Society of Clinical Oncology
Comprehensive information on more than 120 types of cancer and cancer-related syndromes. Developed for patients, but quite helpful for the primary care provider.
http://www.cancer.net/patient/Cancer+Types
American Society of Clinical Oncology Survivorship Compendium
Lots of resources on this link.
https://www.asco.org/news-initiatives/current-initiatives/prevention-survivorship/survivorship-compendium
National Comprehensive Cancer Network
Disease specific guidelines are provided including a specific guideline specifically addressing survivorship care. Access is free, but registration is required.
https://www.nccn.org/guidelines/category_1