• body
  • The use of condoms may also not prevent spread of the illness if the chancre is located on an area of the body not covered by the condom . (medicinenet.com)
  • single
  • This is classically (40% of the time) a single, firm, painless, non-itchy skin ulceration with a clean base and sharp borders 0.3-3.0 cm in size. (wikipedia.org)