ANSWER

From question on page 41

Direct inspection of the lesion during video assisted thoracoscopic surgery was undertaken to ensure neither pleural seeding nor pulmonary or diaphragm invasion (see supplementary video). Following this procedure, wide excision of the chest wall tumour was then performed with thoracic cage reconstruction using a titanium mesh. Grossly, the melanoma-like tumour had invaded into the sixth to ninth ribs, adjacent intercostal muscles and overlying chest wall muscles (fig …