hello all ,actually around 2 months back we had a preterm baby who was part of a twin was admitted to our NICU with RD and he need ventilator, and after 5-6 days he was very sick with some signs of sepsis ,septic workup was done and A/B was started ,next day we felt a mass just adjacent to lower border of liver ,US was done and it was distended gallbladder ,during this period baby was seriosly ill but gradualy start to improve and gall bladder start to decrease in size till it shrinked ,his blood culture was + for klebsiella ,we have completed the course of A/B ,when we review the literature we found that it was reported with NN sepsis