481: A META-ANALYSIS EVALUATING OUTCOMES OF CRITICALLY ILL CANCER PATIENTS BY GEOGRAPHICAL REGION. (16th December 2021) - Nazer, Lama; Lopez-Olivo, Maria; Cuenca, John; Brown, Anne Rain; Habash, Khader; Sirimaturos, Michael; Al-Qadheeb, Nada; May, Heather; Milano, Victoria; Taylor, Amy; Nates, Joseph