Speaking of her son, Elizabeth asked, "How is Sam's condition? Has he been going for regular check-ups at the hospital?"

Eliana nodded, "I went with him for his check-up earlier. The doctor said he's recovering well."

Elizabeth sighed in relief, "I hope we can find a suitable heart for him soon. Even with good recovery, it only buys him a year or two at most."

She knew her son's condition well—only a heart transplant would cure him. The hospital ...