True statements about congenital megacolon include all of the following except:

S. Das writes - "The symptoms appear within 3 days of birth and the presenting features are as follows: Constipation Abdominal distention" Nelson 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, know a 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).