RecruitingGenetic interventionLi-Fraumeni & TP53 (LiFT UP): Understanding and ProgressThe purpose of this research study is to learn more about variants in the TP53 gene both associated with Li-Fraumeni Syndrome (LFS), a hereditary cancer risk condition, and TP53 variants found in the blood for other reasons (e.g. ACE/CHIP and mosaicism).