The family of Olympic gymnastics champion Mary Lou Retton says she is making “remarkable” progress in her battle with a rare form of pneumonia that landed her in intensive care. McKenna Kelley, one of Retton's four daughters, posted an update on Instagram Saturday that said the 55-year-old Retton's breathing is becoming stronger and her “path to recovery is steadily progressing.” “Though it’s a lengthy journey, witnessing these improvements is incredibly heartening,” Kelley wrote. “She’s beginning to respond to treatments.” The family disclosed earlier this week that Retton — who became the first American female gymnast to win the Olympic all-around title at the 1984 Los Angeles Olympics — was “fighting for her life” and unable to breath on her own after being diagnosed with pneumonia.