Perirenal and subcutaneous fat differently affect outcomes in newly diagnosed classical Hodgkin lymphoma patientsDear Editor, Classical Hodgkin lymphoma (cHL) is a B-cell lymphoid malignancy affecting both young and elderly patients. Cachexia, that is weight loss with concomitant loss of muscle and fat mass, is highly prevalent in cancer patients and is associated with functional impairment and worse prognosis. 1,2 Body mass index (BMI) has been widely studied as a prognostic factor in patients with cHL and non-Hodgkin lymphomas with neutral, 3 negative 4 and positive 5,6 associ-