She completed residency training in Anatomic and Clinical Pathology at the University of Massachusetts Medical School. She then completed a Genitourinary Pathology Fellowship at the Massachusetts General Hospital, followed by a Dermatopathology Fellowship at the University of Massachusetts Memorial Medical Center. She is board certified in anatomic and clinical pathology and holds subspecialty board certification in Dermatopathology. She joined the Massachusetts General Hospital Staff in 2017. Dr. Cornejo loves all aspects of Genitourinary Pathology and Dermatopathology, but has research interests particularly in translational and molecular studies involving renal, testicular and bladder neoplasms, and melanocytic and adnexal neoplasms, respectively. She has recently earned the Eleanor and Miles Shore Fellowship Award for 2020-2021 and is investigating BK (Polyoma)-virus associated urothelial carcinoma in post-transplant patients.