A hospital program on art therapy and music therapy ARTON is held at "St. Marina" University Hospital, Clinic of Children's Hematology and Oncology - Varna.

Clinic of pediatric hematology and oncology at the University Hospital "St. Marina" - Varna is one of the three clinics in Bulgaria for diagnosis and treatment of children with haematological and oncological diseases. In her cared for patients aged 0 to 18 years of mostly from Northeastern and Southeastern Bulgaria.

An average on a year there are more than 1,000 hospitalizations of children with severe leukemias, lymphomas, solid tumors, congenital and acquired anemias,  blood diseases and others. In 2004 it is recognized basis for specialization in pediatric clinical hematology and oncology.