Respiratory system Gut Pancreas Liver and bile ducts Genitourinary system Newborn   meconium ileus   obstructive jaundice   The infant recurrent pneumonia   Steatorrhea failure to thrive     Child recurrent pneumonia bronchiectasis nasal polyposis sinusitis pulmonary heart Volvulus Intussusceptions rectal prolapse failure to thrive Gallstones Cirrhosis   Teenager/ young adult decreased athletic performance       azoospermia/ infertility

Table 1: Clinical manifestations according to age.