PMC10118214_01
Chest X-ray image showing a cavity containing crumpled membranous structure floating at air-fluid interface. Furthermore, residual pneumothorax is present on the left side with intercostal drainage tube in situ
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Repeat chest X-ray revealed a cavity in the left mid and lower zone containing a crumpled membrane-like structure that seemed to float at a fluid level [Figure 1].
Axial image of CT chest showing water-lily or camolette sign. A cystic lesion is present in the left lower lobe with collapsed endocyst floating in the air-fluid interface as wrinkled membranes. CT: Computed tomography
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This is named as water-lily or camolette sign [Figure 2].