Fig. 2From: Contrast-enhanced ultrasound guided pleural biopsy improves diagnostic confidence for pleural based lesions: a 3-year prospective studyCEUS imaging of tumor blood vessels. A color doppler flow imaging (CDFI): article point and line sample blood flow signals within lesions. B significant enhancement was observed around the lesion after CEUS, suggesting rich blood supply, small unenhanced areas seen within the centerBack to article page