Pierre Kattar Jr. could not donate a kidney to his father because of incompatibility, so he gave one to Niral Patel, whose mother had wanted to give him a kidney but could not. Instead, Patel's mother gave her kidney to Alice Smith.

CHICAGO _ Pierre Kattar Jr. could not donate a kidney to his father because of incompatibility, so he gave one to Niral Patel, whose mother had wanted to give him a kidney but could not. Instead, Patel's mother gave her kidney to Alice Smith.