chancre
/ˈʃæŋkər/
noun
- A painless sore that appears on the skin or mucous membranes, usually as the first sign of syphilis.
- The doctor identified a chancre on the patient's lip as a symptom of the infection.
- Without treatment, a chancre will heal on its own, but the disease remains in the body.
- Early detection of a chancre can help prevent the spread of syphilis to others.