- Chosen by Voters Early breast cancer may have no symptoms at all; the following are the signs and symptoms of possible breast cancer:change in size – one breast may have become noticeably larger or lowernipple change – if it becomes inverted (pulled in) or changes its position or shaperash – on or around the nippledischarge – from one or both nipplespuckering or dimpling – around nippleswelling – in your armpit or around your collarbone (from lymph nodes)lump or thickening – that feels different from the rest of the breast tissue – but remember that most breast lumps are not cancerousNo, breast lumps aren't like pimples, they are inside the breast, though they can sometimes be seen – I could see a slight swelling where mine was. Source(s): Have had breast cancer 4 years ago 100% 3 Votes