The oncology portal zwrotnikraka.pl is the biggest website in Poland concerning issues like: oncology and psycho-oncology dedicated to cancer patients, their relatives and families, medical students, health professionals and anyone interested in the subject of cancer. Zwrotnikraka.pl was founded in 2012. Currently it is visited by 400 000 unical users per month. The oncology portal zwrotnikraka.pl has a reputation as a reliable, kind, independent and objective source of information. Portal managed to gather a large and active community of people involved in oncology.