P1638: CLONAL HEMATOPOIESIS OF INDETERMINATE POTENTIAL (CHIP) IS A RISK FACTOR FOR PULMONARY VASCULAR THROMBOSIS IN PATIENTS WITH COVID-19. oleh Federico Mario Aletti, Annalisa Ruggeri, Piera Angelillo, Sara Mastaglio, Federico Erbella, Diego Palumbo, Giliola Calori, Matteo G. Carrabba, Patrizia Rovere Querini, Fabio Ciceri, Cristina Tresoldi, Gabriele Fragasso, Francesco De Cobelli, Matteo Zampini, Matteo Giovanni Della Porta, Massimo Bernardi