The diagnostic process for a breast lump typically involves several steps: 1. Clinical Breast Exam: A healthcare provider will palpate the breast to assess the lump's size, texture, and mobility. 2. Imaging Tests: A mammogram or ultrasound may be conducted to get a clearer view of the lump. 3. Biopsy: If imaging tests suggest that the lump could be cancerous, a biopsy will be performed. This involves removing a small sample of the lump tissue for microscopic examination. 4. Additional Tests: In some cases, additional tests such as an MRI or genetic testing may be recommended.