Inclusion Criteria:  At least 2 weeks post-surgical resection or biopsy (if applicable) No evidence of major cognitive impairment Report elevated depression (Patient Health Questionnaire-9 (PHQ-9) score ≥ 10) OR death anxiety symptoms (Death and Dying Distress Scale (DADDS) score ≥ 15) Ability to read, speak, and understand English Ability to understand and the willingness to sign a written informed consent document  Exclusion Criteria:  Major communication difficulties, which would prohibit psychotherapeutic interaction Inability to meet with interventionist via an electronic device for telehealth intervention sessions Inability to understand and provide informed consent Medical, psychological, or social condition that, in the opinion of the investigator, may increase the participant's risk