WASHINGTON – The Federal Aviation Administration on Tuesday mandated fan blade inspections before some Boeing 777 jetliners are allowed to fly again, responding to a harrowing flight Saturday from ...

Fan pattern A, so-called classical B-cell-rich nodular pattern: Clusters of single LP cells are embedded within enlarged follicles/nodules predominantly composed of small B-cells. Reactive T-cells are ...

Fan pattern A, so-called classical B-cell-rich nodular pattern: Clusters of single LP cells are embedded within enlarged follicles/nodules predominantly composed of small B-cells. Reactive T-cells are ...