**Core Concept**
The management of vulvar carcinoma involves a multidisciplinary approach, considering the stage, histology, and location of the tumor. Early-stage vulvar cancer, particularly those with minimal stromal invasion and no lymph node involvement, can be managed with surgical excision and close follow-up.

**Why the Correct Answer is Right**
The patient's tumor is 3 cm in size, located away from the midline, with minimal stromal invasion of 2 mm, and no involvement of inguinal lymph nodes. This stage is classified as FIGO Stage IA, which is typically managed with wide local excision (WLE) or simple vulvectomy, followed by adjuvant radiation therapy in some cases. The goal is to achieve clear margins while preserving the patient's quality of life.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not specify a surgical approach. Vulvar cancer management requires a tailored surgical strategy considering the tumor's location, size, and histology.
* **Option B:** This option is incorrect because it suggests a more aggressive approach, which may not be necessary for this early-stage tumor. Wide local excision or simple vulvectomy is often sufficient for stage IA vulvar cancer.
* **Option C:** This option is incorrect because it implies the need for lymphadenectomy, which may not be necessary in this case. The patient has no inguinal lymph node involvement, making this approach unnecessary.

**Clinical Pearl / High-Yield Fact**
For early-stage vulvar cancer, a thorough preoperative evaluation, including imaging studies and biopsy, is essential to determine the extent of tumor involvement and guide surgical planning.

**Correct Answer: D. Wide local excision or simple vulvectomy.**