TABLE 3.

Malignancies occurring in A‐T. ⁷ , ⁹ , ¹⁰ , ³⁹

A‐T subtype	Paediatric	Adult
Classical	Lymphoid Acute lymphoblastic leukaemia Non‐hodgkin lymphoma Hodgkin lymphoma Burkitt lymphoma Other rare lymphoma types Non‐lymphoid Hepatocellular carcinoma Brain (glioma, medulloblastoma) Others—dermatofibrosarcoma, renal tumours, gastrointestinal tumours	Lymphoid Prolymphocytic leukaemia Others (rare)—Non‐hodgkin lymphoma, acute lymphoblastic leukaemia Non‐lymphoid Breast cancer Thyroid cancer Others—pancreatic carcinoma, testicular seminoma, ovarian
Variant	Lymphoid (Rare) Non‐hodgkin lymphoma, acute lymphoblastic leukaemia	Lymphoid (Rare) Prolymphocytic leukaemia, acute lymphoblastic leukaemia, myeloma Non‐lymphoid Breast cancer Thyroid cancer Gastrointestinal tumours Renal tumours