question: my name is shashi, my son is onemonth old. he feels pabdominal pan and symtomps of gastric trouble is seen. in usg whole abdomen it is written mild splitting of left pelvicalyceal system is seen. now i want to know, what is the meaning of mild splitting of left pelvicalyceal system in 01 month old baby boy? is it harmful for babys health? or it is normal, what is the requirement of treatment?