TP53 and Fanconi anemia: Moreover, two members of the Fanconi anemia core complex, FANCA and FANCB, the TP53 regulator MDM2, the tumor suppressor PTEN, cell cycle checkpoint regulators RAD1 and CHEK1, DNA damage and replication proteins ATM, RPA1 and H2AFX completed the list of the 10 top altered HRR genes in the TCGA‐SARC cohort.