my son stool examination report is as below- colour-brown,consistency-semi solid,mucus-present,blood-absent,parasite-absent,reaction-acidic,reducing sugar-absent,occult blood-absent,cyst of protozoa-E.H present,eggs of helminths:absent,Erythocytes:absent,pus cell:4-5/hpf,macrophages:absent,Epithelial cells:1-2/hpf,crystal-absent. Is this normal report.