• site
  • A 34 year old woman presented http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1800968/with a two year history of a tender, purplish-brown nodule at the site of a longstanding "mole" on her umbilicus. (regionalderm.com)
  • skin
  • At any stage if you notice redness, heat, or swelling of the skin around the umbilicus, especially if the baby is unwell (feverish, poor feeding), see a doctor as soon as possible because antibiotics or other treatments may need to be given quickly. (cyh.com)