Lumps are possible signs of cancer that often occur in the breasts.
Breast cancer . Signs of breast cancer may include a lump in the breast , a change in breast shape , dimpling of the skin , fluid coming from the nipple , or a red scaly patch of skin . Cancer . Possible signs and symptoms include a lump , abnormal bleeding , prolonged cough , unexplained weight loss and a change in bowel movements . In females , the most common types are breast cancer , colorectal cancer , lung cancer and cervical cancer .