How do you manage classical early stage Hodgkin lymphoma patients when an ESR is not checked as part of their workup?

I personally don't think ESR plays a huge factor in the management of early stage Hodgkin Lymphoma now in the era of PET-adapted treatment selection. So, if a patient has very favorable stage I-IIA HL meeting all other criteria by the GHSH study and is interested to not have combined modality treatm...