JUAN LUIS PÉREZ NAVERO2026-01-292026-01-29202210.1007/s40477-021-00577-92-s2.0-85103129031https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/33144Internal MedicineRadiology, Nuclear Medicine and ImagingA pleural ultrasound image of a collapsed lung surrounded by pleural fluid (“jellyfish sign”) may correspond to an intrapericardial massresearch article