Contemporary Oncology/Współczesna Onkologia is abstracted and indexed in:

Academic Search Complete
Bielefeld Academic Search Engine
Chemical Abstracts CAS
Directory of Open Access Journals (DOAJ)
EBSCO
Electronic Journals Library (EZB)
EMBASE
Emerging Sources Citation Index (Web of Science, Clarivate Analytics)
Free Medical Journals
Genamics/JournalSeek
Geneva Foundation Free Medical Journals
Harvard Libraries - University of California Libraries
HINARI Access to Research
International Committee of Medical Journal Editors (ICMJE)
J-Gate
OhioLINK
Polish Ministry of Science and Higher Education (PMSHE)
PROQUEST
PubMed
PubMed Central (PMC)
Polish Medical Library (GBL)
RedLink
ROAD Directory of Open Access scholarly Resources
SCIRUS
SCOPUS
Socolar ( China)
Swiss University Library Network (RERO)
WorldCat
Zetoc