PEDIATRIC AND YOUNG ADULT ALK-NEGATIVE ANAPLASTIC LARGE CELL LYMPHOMA GENETICALLY DIFFERS FROM THE ADULT COUNTERPART. (October 2022) - Salmeron-Villalobos, J.; James, E.; Balagué, O.; Mato, S.; Garcia, N.; Andres, M.; Attarbaschi, A.; Bacon, C.; Burke, A.; Lockhart, B.; Mussolin, L.; Pervez, S.; et al.