Inclusion Criteria:  aged 18 years and older, can communicate in Turkish, being diagnosed with cancer, and undergoing port catheter implantation.  Exclusion Criteria:  being have chronic pain or anxiety disorders, using any type of analgesic or anxiolytic, and diagnosed with epilepsy were excluded from the study. The patients who have a visual impairment or also excluded from the study. Patients diagnosed with brain cancer or have brain metastasis were excluded from the study considering the potential seizures. During the intervention, the interventions were ended for the patients who experienced headache or dizziness (two most common problems caused by VR) and data of these patients were not included in the analysis.