RecruitingClinical trialAromatherapy Inhaler Use for HSCT DistressThis randomized controlled trial will evaluate the feasibility and acceptability of an inhaled aromatherapy stick for patients during the acute inpatient phase after hematopoietic cell transplantation (HCT) . The study will also explore whether aromatherapy use is associated with short-term changes in patient-reported cancer-related distress and coping self-efficacy.