“…PN was added in cases of severe mucositis, GI GVHD, NG-tube refusal, or intractable vomiting and/or diarrhea [ 13 , 36 , 37 , 41 ], or otherwise in cases of an inability to meet greater than 50% of their caloric needs by EN support [ 37 ]. In studies that utilized prophylactic G-tube placement, one study found that, on average, the surgery occurred around 46 days prior to BMT admission [ 43 ], but in others, this timing was not noted [ 37 , 38 , 39 , 41 ]. When noted, NG-tubes were placed from day − 2 to day + 2 [ 40 ].…”