IGHE and allergic disease: The European Academy of Allergy and Clinical Immunology established a Task Force on AllergoOncology to evaluate the relationships between cancer and allergy with the goal of studying both allergic problems in clinical oncology and the immunomodulatory mechanisms eventually protecting cancer to develop new oncological immunotherapy (e.g., cellular vaccines expressing IgE‐binding tumour antigens; recombinant antitumour IgE).2, 3