Dr Priya Sammani ( MBBS ,DFM )I remember a young couple, let's call them Sarah and Tom, sitting in my office, their faces etched with worry. Their beautiful baby boy, just a few months old, wasn't gaining weight. #bonemarrowfunction #geneticdisorder #neutropenia #pancreaticinsufficiency #pediatricillness #SDS #ShwachmanDiamondsyndrome