This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
35-year-old Raymond presents with a painless indurated ulcer on the penis with enlarged genital non-tender lymphnode. What is the diagnosis ? 
Select and explain. 
A. Chancroid, B. Herpes genitalis, C. Syphilis, D. LGV
C: Syphilis
Answer: C: Syphilis 
Explanation: The presence of painless indurated ulcer and a non-tender lymph node is suggestive of primary syphilis.