<prompt> All correlates with USG findings of pyloric stenosis exceptAccuracy 95High gastric residueSegment length 16 mmThickness of pylorus 4 mm  <response>: USG is the imaging modality of choice for evaluation of infantile pyloric stenosis. It is both highly sensitive 90-99 and specific 95-100 in the hands of a qualified sonographer.USG findings of infantile pyloric stenosis are : Target sign - Pyloric muscle wall thickness 4mm Cervix sign - Pyloric length segment length 16mm Antral nipple sign - Pyloric diameter a 15mm 