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Major findings include cleft palate ( overt , submucous , or occult submucous ) , conotruncal heart anomalies , frequent infections ( as part of DiGeorge syndrome ) , and a characteristic facial appearance with asymmetry of the lower lip . He also has a U-shaped , wide cleft palate ( CP ) . Other definitions have been suggested based on a combination of mandibular deficiency , presence of U-shaped or V-shaped cleft palate ( see Image 5 ) , and airway obstruction . Usually , the palatal cleft is shaped like a wide U , with a wide and shallow palate.At the time when surgery is recommended for most children with cleft palate ( 9-18 mo ) , the lower jaw is still small , and the child may not be gaining weight and thriving properly because of feeding and airway problems.Furthermore , because of the micrognathic jaw and the normal tongue size , an infant may use his or her cleft palate as an airway .