- Eastern Cooperative Oncology Group (ECOG) performance status 0 to 2 Evidence of measurable disease (ie, at least one lesion that can accurately be measured in at least two dimensions as ≥15 mm with spiral CT scan). 1)If only single target lesion must be PET positive, and measure ≥20mm in two dimensions (required only for subjects with Hodgkin's lymphoma and DLBCL).