. >>> coming up, actress lena dunnham opening up about her health challenge. >> shedding new light oninful condition that's afflicting millions of women. that's next on "world news now." >>> girls star lena dunham surprised fans when she called off her entire media tour for her hit show. >> she's opening up about her painful medical condition that's at least temporarily putting her career on pause. abc's deborah roberts has her story. >> lena dunham's one of the busiest women in hollywood. directing, writing, starring in her hbo hit "girls." i worked very, very hard to overcome the challenges of my nontraditional body type. >> just two weeks before the season five premiere, she made a surprise announcement saying she would no o not be able to promote the new season due to endometriosis writing on facebook, i'm going through a rough patch with the illness. it's time to announce. >> she didn't have tonounce it but people love her because she shares her truth and has done it in her personal life and also on screen. >> reporter: the love on social media came quickly for the actress with o