This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Male Genital Tract, Subject name: Pathology
[{'content': 'Penile carcinoma is usually? \nSelect and explain. \nA. Squamous cell carcinoma, B. Basal cell carcinoma, C. Adenocarcinoma, D. Small cell carcinoma', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Squamous cell carcinoma * Most of penile cancers are squamous cell carcinoma and arise on glans or inner surface of prepuce.* Two most common growth patterns are papillary and flat. A third uncommon variant is verrucous carcinoma (Giant condyloma or Buschke-Lowenstein tumor) which is well-differentiated with low malignant potential.", 'role': 'assistant'}]