From the case:
Poland syndrome
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Hyperlucency of the left hemithorax is secondary to the absence of the left pectoralis muscle and of some of the anterior ends of left ribs, consistent with Poland syndrome. Cardiomediastinal shift to the right is due to the chest wall deformity.
From the case:
Poland syndrome
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Congenitally absent left pectoralis muscle and some of the anterior ends of left ribs.
Case Discussion
Finding consistent with Poland syndrome.