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Copyright American College of Surgeons

The American College of Surgeons (ACS) owns the copyright in and maintains copyright administration and licensing rights to the AJCC Cancer Staging Manual, Eighth Edition.
The original and primary source for this information is the AJCC Cancer Staging Manual, Eighth Edition (2016) published by Springer Science+Business Media. The ACS is the exclusive licensor of the AJCC API Property. Licensor maintains all ownership rights (including copyright) in and to the Work, the Content and all other material, information or data.