Mental Health Disparities in Spanish Speaking Latina Breast Cancer Patients

Inclusion Criteria:

* Self reported diagnosis of invasive breast cancer who has currently or within last 12 months been in active treatment (surgery, chemotherapy, or radiation) or on endocrine therapy
* Self-identified anxiety (persistent worry or nervousness), depression (feeling sad, little interest or pleasure in doing things or hopeless), or sleep disturbance.
* Breast cancer related treatment (surgery, radiation, chemotherapy) or endocrine therapy within the last 12 months
* Self identifies as Spanish speaking
* Self identifies as Latinx / Latina / Latino
* Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria:

* Non-Spanish speaking
* other diagnosis besides invasive breast cancer (ie Ductal carcinoma in situ (DCIS), fibroadenoma, abnormal mammogram but not yet with final diagnosis, non-breast cancer patients)
* comorbid bipolar affective disorder or psychotic disorder (as self-identified by patient after asking "do you have any other psychiatric conditions")
* inability to physically or psychologically attend group sessions, and by discretion of the study coordinator.
* Patients currently participation in stress reduction or mindfulness groups/interventions will be excluded from participation
* Cancer "survivors" if not in active or endocrine treatment