Clinical Research Directory

Inclusion Criteria: * Patients who underwent surgical resection at the Nancy University Hospital after 2019 (Information provided in the welcome booklet or on posters displayed in waiting rooms, mentioning the possible use of data or resection specimens, unless otherwise stated). * No documented objection, in accordance with the MR004 methodology. * Frozen human tissues (slides, blocks, or sections) from surgical resection or biopsy, transmitted by the CRB or the biopathology department. * Samples are fully anonymized before being made available for analysis. Exclusion Criteria: * • Unusable tissue (degraded, insufficient, contaminated, poorly preserved). * Lack of traceability of the material. * Explicit opposition from the patient to the use of their tissue for research.