Abnormal Pulmonary Fissure Morphology C5397982
A variation in the structure of the normal divisions between lung lobes. Often a benign finding, but may be noted during imaging for other reasons.
Key facts at a glance
- ICD-10
- J98.9
- ICD-11
- CA00.0
- Body system
- respiratory
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Pleuritic chest pain
Shortness of breath or cough
(respiratory)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Recurrent respiratory infections
(respiratory)Mild dyspnea on exertion
(respiratory)Persistent cough
(respiratory)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
Contrast-enhanced chest imaging
Regular CT or MRI imaging with contrast to monitor fissure morphology and detect any associated complications such as cysts, bronchiectasis, or neoplastic changes over time.
Respiratory therapy and management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Chest physiotherapy
Comprehensive respiratory physiotherapy including postural drainage, percussion, and directed coughing to maintain airway patency in regions with altered fissure morphology.
Additional treatment options
Exercise conditioning program
Supervised aerobic exercise program tailored to maintain cardiopulmonary fitness despite structural lung abnormalities. Improves overall respiratory reserve and tolerance.
lifestyleThoracentesis
Needle aspiration of pleural fluid when abnormal fissure morphology contributes to fluid accumulation, providing both symptomatic relief and diagnostic specimens.
procedureAtypical pulmonary resection
Video-assisted thoracic surgery to remove lung regions with severely abnormal fissure morphology causing recurrent infections or significant symptoms that fail conservative management.
surgicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormal Pulmonary Fissure Morphology C5397982?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy