Secondary NK/T cell lymphoma after radiotherapy for non-HPV-related squamous cell carcinoma of the penis: an early warning event and literature review.
Squamous cell carcinoma is the most common malignant tumor of the penis. The new World Health Organization (WHO) classifies it into two types: non-HPV-related and HPV-related. There is a certain proportion of recurrence and metastasis after the first operation on the tumor.
