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A well-circumscribed large soft tissue mass in the right anteroposterior chest wall.
- with a widening of 4-5 intercostal space, smooth-edged remodeling of adjacent costal margins
- displacing pectoral and serratus muscles anteriorly
- protruding in its smaller part to the thoracic cavity, without features of pleural invasion
It demonstrates heterogeneous postcontrast enhancement, with areas of necrosis and some prominent vascularization.
Lungs are clear, with no pleural or pericardial effusion. No lymphadenopathy. No other abnormalities are identified in whole-body scan (not shown).
Findings are most consistent with tumor arising from the intercostal nerve with benign features.