2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/203077I review the recent progress in the evaluation of two-loop massive QCD amplitudes necessary for the description of hadronic scattering processes at the LHC. I put a special emphasis on the case of top-quark final states.6 pages, 2 figures, presented at the 8th International Symposium on Radiative Corrections, October 1-5, 2007, Florence, ItalyHigh Energy Physics - PhenomenologyMass effects and four-particle amplitudes at the two-loop level in QCDtext