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We closed defects of the anterior chest wall in 6 patients, using either unilateral or bilateral pectoralis major muscle flap transpositions. In 4 of these patients the defect was stabilized with autogenous rib grafts, and none of these had a flail chest. All of the transposed muscle flaps remained viable and innervated. The deformities and the functional disturbances resulting from the transpositions were minimal.
Arnold et al. (Thu,) studied this question.