Fig. 1

A 13-year-old girl, examined with tomosynthesis to exclude lung metastases from sarcoma. The lungs are normal. a Normal antero-posterior (AP) radiograph. b Normal tomosynthesis section. The selected section shows anatomical structures in great detail while structures located anteriorly and posteriorly are increasingly blurred with increasing distance. The vascular branches can be seen as far peripherally as about 1 cm from the pleura