The expressions of GLI1, p-STAT3, STAT3, and SOCS3 were detected respectively in 28/35(80.0%), 26/35(74.2%), 32/35(91.4%), and 24/35(68.6%) of T-cell lymphoma cases, when tumors displaying staining in 30% or more of the cells were categorized as positive cases. The gene discussed is GLI1; the disease is T-cell non-Hodgkin lymphoma.