Overview
IDC is the most common invasive breast cancer, starting in ducts and spreading.
Symptoms
- •Breast lump
- •Skin dimpling
- •Nipple retraction
- •Discharge
Stages
Stage IStage IIStage IIIStage IV
Diagnosis
- ✓Mammography
- ✓Ultrasound
- ✓Biopsy
- ✓ER/PR/HER2 testing
Treatments
- →Surgery
- →Chemotherapy
- →Radiation
- →Hormone therapy
- →HER2-targeted
Risk Factors
⚠️Age
⚠️BRCA mutation
⚠️Obesity
Key Facts
- ℹ️70-80% of invasive breast cancers
- ℹ️5-yr survival: 99% (I), 30% (IV)
ICD-10: C50.9 | Prevalence: çok yaygın
Last updated: 11/9/2025