AUTHOR=Grinshpun Albert , Merlet Irit , Fruchtman Hila , Nachman Dean 

TITLE=A Protracted Course of COVID19 Infection in a Metastatic Breast Cancer Patient During CDK4/6 Inhibitor Therapy

JOURNAL=Frontiers in Oncology

VOLUME=10

YEAR=2020

URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2020.01085

DOI=10.3389/fonc.2020.01085

ISSN=2234-943X

ABSTRACT=<p>We describe the first case report of a patient with COVID19 infection and metastatic breast cancer, while on systemic therapy with a CDK4/6 inhibitor. The patient had unique disease course, characterized with delayed symptomatology. The case highlights novel findings and stress careful and extended follow-up during COVID19 infection in patients taking biologic therapies affecting the immune system.</p>