TP53 and adult T-cell leukemia/lymphoma: Even if TP53 mutations and deletions are less common in haematological neoplasms as compared to solid neoplasms, they can be found in Burkitt’s lymphoma, chronic myeloid leukaemia, adult T-cell leukaemia, B-cell prolymphocytic leukaemia, and chronic lymphocytic leukemia (26).