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  Indian J Med Microbiol
 

Figure 3: Frontal chest radiograph showing well-defined multicystic, air-filled lesion (arrows) with internal septations in left mid and lower zone. Tension pneumothorax (asterisks) present (a). Photomicrograph depicting a multilocular cystic lesion with areas of fresh hemorrhage (b, ×100). Small primitive cells forming cambium layer beneath cuboidal lining epithelium. Primitive blastemal component comprising of small round to oval hyperchromatic nuclei and scant cytoplasm admixed with spindled cells (c, ×100). Single tiny focus of nodule of primitive cartilage within the septa (d, ×100)

Figure 3: Frontal chest radiograph showing well-defined multicystic, air-filled lesion (arrows) with internal septations in left mid and lower zone. Tension pneumothorax (asterisks) present (a). Photomicrograph depicting a multilocular cystic lesion with areas of fresh hemorrhage (b, ×100). Small primitive cells forming cambium layer beneath cuboidal lining epithelium. Primitive blastemal component comprising of small round to oval hyperchromatic nuclei and scant cytoplasm admixed with spindled cells (c, ×100). Single tiny focus of nodule of primitive cartilage within the septa (d, ×100)