NR4A1 and obesity due to melanocortin 4 receptor deficiency: While NAFLD was prone to affect elderly patients ( < 50 years versus age > 50 years, 24.7% versus 32.4%, p < 0.001) with obesity [Body mass index(BMI) < 25 kg/m2 versus BMI > 25kg/m2, 25.4% versus 46.7%, p < 0.001], lymph node metastasis (lymph node metastasis versus no lymph node metastasis, 40.9% versus 36.6%, p = 0.003) and hormone receptor positivity (positive versus negative, 34.9% versus 14.1%, p < 0.001).