<prompt> True statements about congenital megacolon include all of the following except:Dilatation hyper trophy of pelvic colonLoud borborygmiSymptoms appear with in 3 days following birthLarge stool  <response>: S. Das writes - The symptoms appear within 3 days of birth and the presenting features are as follows:ConstipationAbdominal distentionNelson writes - The clinical symptoms of Hirschprung disease usually begin at birth with the delayed passage of meconium.Loud borborygmi are heard due to intestinal obstruction.About stool, Nelson writes -The stools when passed may consist of small pellets, maybe ribbon-like or may have fluid consistency; the large stools and faecal soiling of patients with functional constipation are absent.Also, knowa large faecal mass may be palpable in the left lower abdomen, but on rectal examination, the rectum is usually empty of faeces faeces in rectum are found in functional constipation. 