RT Journal Article SR Electronic T1 A rare case report of granulomatosis with polyangiitis presenting with thrombus of the ascending aorta JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 42 OP 43 DO 10.7861/clinmed.22-4-s42 VO 22 IS Suppl 4 A1 Ioannis Tzanninis A1 Ahmed Elserwey A1 Alice Mason A1 John Rawlins YR 2022 UL http://www.rcpjournals.org/content/22/Suppl_4/42.abstract