[An agent that acts at stage 2 of carcinogenesis, following the initiation of increased cell proliferation. It is a necessary step in overt tumor formation. ( NCI )]
UMLS (NCI) C0041370 - Hazardous or Poisonous Substance
Relation/PAR: Cancer Causing Agents
Relation/CHD: phorbol
OKA
thapsigargin