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Angioplasty vs. CABG — A Look at Comparative Effectiveness Research

Comparative effectiveness research aims to provide clinical data to guide care, but interpreting the findings of such studies can be tricky.

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Bilateral Pulmonary Sequestration with Bridging Isthmus in a Boy with Williams Syndrome
Source: AJR 2006; 187:W133-W134

A 5-year-old boy with Williams syndrome. Contrast-enhanced chest CT scan revealed well-defined heterogeneous mass at medial basal segments of bilateral lower lobes with midline bridging isthmus posterior to heart.

Source: AJR 2006; 187:W133-W134
© American Roentgen Ray Society
Image and case courtesy of the American Roentgen Ray Society

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