12048
None of these cases received the correct diagnosis initially because of significant overlap in the presenting symptoms ( growth retardation , dysmorphic features , cutis laxa , congenital heart disease , hepatosplenomegaly , pancytopenia , and bleeding tendency ) with a wide range of genetic disorders .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None