9978
In the six subjects who had findings suggestive of ILF on HRCT , four had normal chest x - ray ( CXR ) while one each has been diagnosed as having tuberculosis and ILF on CXR .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None