4971
PATIENTS A 75 - year - old woman , her two daughters ( aged 44 and 50 years ) , and her 49 - year - old son were screened for peripherin / RDS mutations because of the presence of multiple phenotypes within the same family .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 None