Lipidomic Characterization in Non-metastatic Breast Cancer Women Undergoing Surgery: a Pilot Study.

Inclusion Criteria

• •Patients
• •Age \<65 years (not to have influence on functioning of desaturase enzymes that decline with older ages).
• •Neoplastic pathology: primary invasive breast cancer or ductal in situ (DCIS) newly diagnosed, in the pre-operative phase and which has not already undergone chemo- or radiotherapy.
• •Absence of serious intestinal and hepatic pathologies, diabetes, both insulin-dependent and in hypoglycaemic treatment or other pancreatic affection, thyroid affections in pharmacological treatment.
• •Absence of supplementation with omega-3 based supplements for at least 6 months.
• •Homogeneous distribution by BMI (1:1 ratio subjects with BMI≥25 and BMI\<25, respectively).
• •Informed consent to participate in the study.
• •controls
• •Age \<65 years;
• •Not be affected by cancer;
• •BMI \<25kg/m2;
• •Informed consent to participate in the study