AUTHOR=Ayoub Nehad M. TITLE=Editorial: Novel Combination Therapies for the Treatment of Solid Cancers JOURNAL=Frontiers in Oncology VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.708943 DOI=10.3389/fonc.2021.708943 ISSN=2234-943X