Cluster of Grapes Sign

Imaging colon A sign of pneumatosis cystoides intestinalis, which is characterised by multiple gas-containing cyst-like spaces in the submucosa
Imaging Kidneys A finding in infants with congenital polycystic kidney disease, in whom an excretory urogram reveals an afunctional non-visualised kidney; the walls contain viable vessels visualised in the vascular or opacification phase of urography
Imaging Lungs Septation sign A finding consisting of multiple round-to-oval uviform shadows on a chest x-ray of bronchiectasis, due to impacted bronchial mucus, which has also been described by CT