Diagnosis hinges on laparoscopy (96.9% accuracy) with histopathology and immunohistochemistry (calretinin+, WT1+, and TTF1-) [2]. While laparoscopy is the gold standard, it is an invasive procedure with inherent risks of morbidity, and its diagnostic yield is contingent upon sampling the correct lesion, representing a significant practical limitation. Our case confirmed the epithelioid subtype via laparoscopic biopsy, effectively excluding adenocarcinoma and guiding subsequent therapy. The gene discussed is TTF1; the disease is adenocarcinoma.