Identification of Breast Cancer in Breath Samples Using Trained Detection Dogs

INCLUSION CRITERIA FOR ARM 1 (TARGET POPULATION ARM) 1. Capable of giving informed consent for self, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol. 2. Assigned female at birth. 3. 40 years of age and above OR 4. Between 18 and 39 years of age (inclusive) and a carrier of germline pathogenic variants associated with high risk for breast cancer: BRCA1, BRCA2, PTEN, TP53, CDH1, or STK11 ATM, CHEK2, BARD1, RAD51D, RAD51C, PALB2, OR 5. Between 18 and 39 years of age (inclusive) with a family history of breast or ovarian cancer involving at least one first or two second-degree relatives who were diagnosed with breast or ovarian cancer before the age of 50 years. 6. Scheduled for routine annual breast cancer screening (Mammogram, Ultrasound and MRI) INCLUSION CRITERIA FOR ARM 2 (ENRICHED ARM) 1. Capable of giving informed consent for self, which includes compliance with the requirements and restrictions listed in the ICF and in this protocol. 2. Assigned female at birth. 3. 40 years of age and above. OR 4. Between 18 and 39 years of age (inclusive) and a carrier of germline pathogenic variants associated with high risk for breast cancer: BRCA1, BRCA2, PTEN, TP53, CDH1, or STK11 ATM, CHEK2, BARD1, RAD51D, RAD51C, PTEN , PALB2 OR 5. Between 18 and 30 years of age (inclusive) with a family history of breast or ovarian cancer involving at least one first or two second-degree relatives who were diagnosed with breast or ovarian cancer before the age of 35 years. 6. BI-RADS® score of 4B. 7. Scheduled for breast biopsy. EXCLUSION CRITERIA (BOTH STUDY ARMS) 1. Had cancer within the past year. Individuals who underwent surgical removal of cancerous non-metastatic skin lesions can be recruited. 2. Has received any cancer treatments within the past year. 3. Has participated in another clinical study in the past 30 days. 4. Had bilateral mastectomy for breast cancer or for preventive reasons related to breast cancer. 5. Had a medical procedure in the chest cavity and/or airways within the past 2 weeks which may interfere with the ability to provide a normal breath sample as required by the protocol.