Intramuscular intercostal lipoma in the left axillary tail: A case report and discussion.

Intercostal lipomas are rare benign tumors that predominantly occur in the subcutaneous tissue. However, intramuscular intercostal lipomas are exceedingly uncommon and pose diagnostic challenges due to their atypical presentation. Here, we present a case report of an intramuscular intercostal lipoma located in the left axillary tail, along with a comprehensive discussion of its clinical features, diagnostic evaluation, and management options.