‘If I’m Sent Back, I Will Die’: Sick Immigrants Tell Their Stories to Congress

But he said that his agency was in talks with the Department of Homeland Security about the “path going forward for deferred action,” adding that “those are internal discussions we are not prepared to discuss.”

Ms. Bueso is among the immigrants who have received a letter in recent days saying that their cases will be reopened but not whether they need to take any action.

“Our future is still in question with no further communication or direction,” Ms. Bueso said.

Serena Badia, 14, who first came to the United States from Barcelona in 2010 to receive care for a rare heart defect, said that her family never intended to live here. She underwent several surgeries over several trips, and ultimately her doctors at Boston Children’s Hospital advised her parents that she must stay in the United States because of her frail health.

“Our plans to go back to Spain fell apart,” she said. “I needed to stay here to stay alive.”

Jonathan Sanchez, a 16-year-old Honduran, said that his older sister, the first born, had died of cystic fibrosis when she was 6 months old. When he was 12, his parents came to America legally to seek better care for him, which he receives to this day, because, he said, his cystic fibrosis meant that “I could not do anything that an average person could do.”

“I could not walk too much,” he said. “I could not run, jump, eat or sleep the way other people do, and even going to the bathroom was complicated.”

“My mother and father are so afraid for me that they have asked an American friend of ours if she will adopt me, if it comes to that, so that I can keep getting treatment,” he said.