Eligibility Criteria:
Inclusion criteria;
* 18 years and over,
* literate,
* Agreeing to participate in the study,
* Person, place, and time orientation,
* Visual (except for those with better vision using a visual aid), auditory communication difficulties (except for those with better hearing ability using a hearing aid) that will prevent them from understanding the information given and expressing the pain situation correctly,
* No speech impediment/communication problem,
* Simple mastectomy (BM) and modified radical mastectomy (MRM) were performed,
* Not using any TAT method,
* Able to use technology (smartphone, computer, etc.),
* Individuals with technology devices (smartphone, tablet, computer, etc.)
Exclusion criteria;
* Not speaking Turkish and illiterate in Turkish,
* Those who are allergic to the oils to be used in the massage during the application,
* Involved in a different study conducted in the clinic,
* Breast prosthesis placed during surgery,
* Having physical and cognitive problems at a level that cannot apply massage,
* Individuals diagnosed with mood disorders (using any medication for depression, panic attacks, dysthymia, or bipolar disorder)
* Transferred to the intensive care unit in the postoperative period,
* Severe bleeding, hematoma, seroma, nerve injury, or lymphedema developing in the postoperative period,
* Developing an allergy to the oils to be used in the massage during the application,
* Those who want to leave work voluntarily,
* Individuals who do not comply with the working process and conditions will be excluded from the study.