tokens: The primary tumors in Group C had a normal profile of p16 , p15 and CDK4 at presentation .
folded_tokens: the primary tumors in group c had a normal profile of p16 , p15 and cdk4 at presentation .
labels: O B-tissue I-tissue O O O O O O O O B-protein_molecule O B-protein_molecule O B-protein_molecule O O O