Well-differentiated fetal adenocarcinoma…

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Well-differentiated fetal adenocarcinoma of the lung

ORPHA:284395Disease

Also called WDFA

What it is

Well-differentiated fetal adenocarcinoma of the lung is a rare, primary, low-grade, bronchopulmonary neoplasm characterized by a well-circumscribed, usually large, pulmonary mass that is histologically composed of glycogen-rich neoplastic glands and tubules that resemble fetal lungs at 10 to 16 weeks of gestation and benign adjacent stroma. It typically presents with chest pain, cough, dyspnea, hemoptysis and/or generalized, non-specific symptoms, such as night sweats, lethargy, poor appetite and weight loss.

Key facts

Age of onset
All ages
Inheritance
Not applicable
Classified as
Disease

ICD-10 codes

C34.1ICD-10 uses a narrower term — shared with 5 other rare diseases
C34.2ICD-10 uses a narrower term — shared with 5 other rare diseases
C34.3ICD-10 uses a narrower term — shared with 5 other rare diseases
C34.8ICD-10 uses a narrower term — shared with 6 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0017292UMLS C3873372

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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