Known disorder affecting gastrointestinal absorption Gastrointestinal disorder affecting absorption or the ability to swallow tablets Gastrointestinal (GI) disorder that negatively affects absorption Severe gastrointestinal disorder Gastrointestinal disorder affecting absorption (e.g., gastrectomy) Gastrointestinal disorder affecting absorption. No gastrointestinal (GI) disorder that negatively affects absorption Gastrointestinal disorder affecting absorption Gastrointestinal disorder affecting absorption An active gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease, uncontrolled celiac) Gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease within last months, inflammatory bowel disease) Gastrointestinal disorder affecting absorption Gastrointestinal disorder affecting absorption Gastrointestinal disorder affecting absorption; Subject has a gastrointestinal disorder affecting absorption. Any gastrointestinal disorder expected to limit absorption of ibrutinib Gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease within last months) No gastrointestinal (GI) disorder that negatively affects absorption Gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease within last months) Gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease) within last months Gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease within last months). Gastrointestinal disorder affecting absorption. Any gastrointestinal disorder expected to limit absorption of ibrutinib Gastrointestinal disorder affecting absorption. Gastrointestinal disorder affecting absorption. Gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease within last months)