Ultrasound-Guided Erector Spinae Plane Block for Intractable Thoracic Cancer Pain: A Case Series of Five Patients.

Thoracic cancer pain, particularly due to lung malignancies, chest wall infiltration, or pancoast tumors, is often severe and multifactorial. When conventional systemic analgesics alone are inadequate, ultrasound-guided fascial plane blocks, such as…

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