O1 SINGLE CELL CHARACTERISATION OF ABDOMIAL AORTIC ANEURYSMS BY MASS CYTOMETRY (CYTOF) REVEALS A CHRONIC INFLAMMATORY CELL INFILTRATE PREDOMINATED BY T AND B CELLS. (6th September 2018) - Cassimjee, Ismail; Lee, Regent; Ahern, David; Green, Patricia; Park, Inhye; Handa, Ashok; Monaco, Claudia; ,