International Agency for Research on Cancer (IARC) - Summaries & Evaluations
There is inadequate evidence in humans for the carcinogenicity of PhIP.
There is sufficient evidence in experimental animals for the carcinogenicity of PhIP.
PhIP (2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine) is possibly carcinogenic to humans (Group 2B).
For definition of the italicized terms, see Preamble Evaluation.
More at: http://www.inchem.org/documents/iarc/vol56/08-phip.html