Learn the red-flag symptoms that indicate a breast lump needs urgent medical attention, from Dr. Shilpy Dolas. · Skin changes: Redness, heat, swelling, or skin that looks like an orange peel. · Nipple changes: Sudden turning inward (retraction) or bloody discharge. · Shape and growth: A hard, fixed lump that does not move and grows fast. · Lymph nodes: Swollen, hard lumps in your armpit area. · Pain: Sharp or persistent pain localized in one specific spot.