Towards Personalized Medicine for Refractory/Relapsed Follicular Lymphoma Patients: the Cantera/Lupiae Registry

This is a registry study that collects detailed clinical and biological information from people with follicular lymphoma (a slow-growing type of blood cancer) whose cancer has returned, transformed, or not responded to first-line treatment. The goal is to build a database to support personalized treatment decisions. **You may be eligible if...** - You have been diagnosed with follicular lymphoma (grade 1–3a) - Your lymphoma has relapsed, become refractory, or transformed after first-line treatment - You are 18 years old or older - Your clinical data, tissue samples, and treatment history are available for review - You are willing to provide written informed consent **You may NOT be eligible if...** - You are under 18 years old Talk to your doctor to see if this trial is right for you.