[A measure of the percentage of cells in a tumor that are in the phase of the cell cycle during which DNA is synthesized. The S-phase fraction may be used with the proliferative index to give a more complete understanding of how fast a tumor is growing. ( NCI )]
UMLS (NCI) C0812425Cellular Proliferation Rate
Mitotic Index
PI
Proliferation Index
SPF
S-phase fraction
- Laboratory or Test Result