P1284: LIQUID BIOPSY BY ULTRA-DEEP SEQUENCING PLUS PET-TC MONITORING IN REAL-LIFE FOLLICULAR LYMPHOMA PATIENTS. (23rd June 2022) - Jiménez-Ubieto, A.; Poza Santaella, M.; Martin, A.; Heredia, Y.; Dorado, S.; Figaredo, G.; Rufian, L.; Rodriguez, A.; Sarandeses, P.; Baumann, T.; Grande, C.; Bárcena, C.; et al.