Fig. 4

The correlation of the expression of the six autophagy-related encoding genes with clinicopathological factors. a ER expression. b PR expression. c HER2 expression. d Subtypes (LuminalA/B; HER2 amplification; TNBC: triple-negative breast cancer). e TNM stage. f Tumor size (T1: < 2 cm; T2: ≥ 2 cm and < 5 cm; T3: ≥ 5 cm; T4: invasion of chest wall and/or skin). g N classification (N0: no lymph node metastasis; N1: 1–3 lymph node metastasis; N2: 4–9 lymph node metastasis; N3: ≥ 10 lymph node metastasis). h M classification (M0: no distant metastasis; M1: distant metastasis). ns: no statistical significance, *p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001