Can Breast Tumors Affect the Oxidative Status of the Surrounding Environment? A Comparative Analysis among Cancerous Breast, Mammary Adjacent Tissue, and Plasma

Table 1

Clinicopathological characterization of patients.

Number of patients
Mean age at diagnosis (range, years)	53.8 (31–77)
Histological type
Ductal infiltrative carcinoma	100%
Histological grade
1 or 2	70%
3	30%
TNM classification
I/II stage	83.3%
III stage	16.7%
IV stage	None
Tumor size
Mean (range) cm	2.88 (0.9–5)
Mean BMI (kg/m^2)	24.2

TNM = tumor-node-metastasis classification, BMI= body mass index.