Luminal A Breast Carcinoma C3642345
Luminal A breast cancer is a subtype of breast cancer that typically grows slowly and has a good prognosis. These tumors usually respond well to hormone therapy and generally have lower rates of recurrence compared to other types. Treatment often includes hormone-blocking medications, chemotherapy, and targeted therapies.
Key facts at a glance
- ICD-10
- C80.1
- ICD-11
- 2A00.0
- Body system
- oncologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest pain
Breast lump
(breast)Generalized symptoms
(oncologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Nipple discharge
(breast)Skin changes
(integumentary)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Endocrine therapy
Hormone-blocking medications to suppress estrogen-driven tumor growth. Typically continued for 5-10 years post-surgery to reduce recurrence risk.
Surgical tumor resection
Breast-conserving surgery or mastectomy depending on tumor characteristics and patient preference. Often combined with sentinel lymph node evaluation for staging.
Additional treatment options
Radiation therapy
Targeted radiation to eliminate residual cancer cells following lumpectomy or as part of conservative management. Standard course typically spans several weeks.
procedureLifestyle modification program
Structured program including weight management, regular exercise, and alcohol reduction. These modifications may improve outcomes and reduce recurrence risk.
lifestyleSurveillance and follow-up imaging
Long-term monitoring with regular imaging and tumor marker assessment. Includes mammography, bone density scans, and cardiac monitoring as indicated.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Luminal A Breast Carcinoma C3642345?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy