Fig. 1From: Metastatic papillary thyroid carcinoma in pleural effusion: a case report and review of the literatureX-ray and ultrasonography of the chest: chest X-ray showing left side pleural effusion with mediastinal shifting to the right, the right lung is clear (A).B Ultrasonography of the lungs shows a left-sided collection of pleural effusion presenting as a crescent-shaped hypoechoic area measured as 8 × 1.9 cmBack to article page