According to El Periódico de Catalunya, a genomic test performed at the time of the diagnosis of a breast cancer predicts the prognosis and the response to treatment with chemotherapy, according to a study conducted by doctors and researchers from the Hospital Clínic and the Idibaps (Instituto de Agustí Pi i Sunyer Biomedicine Research) of Barcelona.

The study, which also involved researchers from the Vall d'Hebron Institute of Oncology (VHIO) and the University of North Carolina, was published on Tuesday in the journal 'BMC Medicine'.