(Originally) = "Wilms' tumour"; (later also) (in full "cystic partly differentiated nephroblastoma") a usually benign multicystic tumour of the kidney containing nephrogenic elements, most commonly occurring in infants.
Today’s NYT Connections Answers Mar 28, #291 - Daily Updates & Hints
Today’s Wordle Answer Mar 28 #1013- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Mar 28 Solved