Fig. 3From: Characteristics and chronologically changing patterns of late-onset breast cancer in Korean women of age ≥ 70 years: A hospital based-registry studyBreast cancer development (frequency, incidence rate) by subtype (luminal A, B, HER2, TNBC). Two age subgroups were compared (i.e., 40–69 and ≥ 70 years) among patients with old-onset breast cancer. HER, human epidermal growth factor receptor; TNBC, triple-negative breast cancerBack to article page