Study of AutoAbs in 141 pts w/ systemic sclerosis overlap syndrome (SSc OS). Most common Abs: Ro-52, centromere (ACA) & anti-Scl-70. Scl-70 was assoc w/ ILD & SSc renal crisis (SRC); while ACA is protective factor of ILD. SRC & pulm HTN assoc w/ incr mortality… https://t.co/sqQhIlZjdB https://t.co/noyaFbd3Z8