The guidelines will provide clinicians worldwide with uniform criteria to compare and interpret clinical trials of lymphoma treatments and should facilitate the development of new therapies.

Conclusions Survival after treatment of diffuse large-B-cell lymphoma is influenced by differences in immune cells, fibrosis, and angiogenesis in the tumor microenvironment.

To study the influence of a family history of cancer on survival, the researchers examined Swedish cancer Registry data on 6946 patients treated for HL between 1965 and 1995.