RT Journal Article SR Electronic T1 A lump in the umbilicus JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 270 OP 270 DO 10.3949/ccjm.82a.13164 VO 82 IS 5 A1 Mirfazaelian, Hadi A1 Mosalei, Ahmad A1 Daneshbod, Yahya A1 Negahban, Shahrzad A1 Aledavood, Azita YR 2015 UL http://www.ccjm.org/content/82/5/270.abstract AB