**Core Concept**
The treatment for nonseminomatous germ cell tumors (NSGCT) depends on the stage of the disease. **Nonseminomatous tumors** are a type of testicular cancer that can be aggressive and require prompt treatment.

**Why the Correct Answer is Right**
For stage 2 NSGCT, the treatment typically involves **orchiectomy** followed by either **retroperitoneal lymph node dissection (RPLND)** or **chemotherapy**, depending on the extent of lymph node involvement and tumor markers.

**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because it is not specified.
**Option B:** Incorrect because it is not provided.
**Option C:** Incorrect as it is missing.
**Option D:** Incorrect because the choice is blank.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that **tumor markers** such as **beta-hCG** and **LDH** play a crucial role in diagnosing and monitoring the treatment of testicular cancer.

**Correct Answer:** D. Active surveillance, chemotherapy, or RPLND, depending on the risk of recurrence and patient preferences.