Absolute neutrophil count (ANC) >= ,/mcL within  days prior to step  randomization
Absolute neutrophil count (ANC) >= ,/mcL within  days prior to registration
Within  days prior to registration: Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL within  days prior to registration
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcl documented within  days prior to step  registration
Absolute neutrophil count (ANC) >= /mcl within  days prior to registration
absolute neutrophil count (ANC) ?,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
SAFETY RUN-IN: Within  days of registration: Absolute neutrophil count (ANC) >= , /mcL
RANDOMIZED PHASE II CLINICAL TRIAL: Within  days of registration: Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) < ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL.
Within  days of treatment registration: Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) > /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC): >= /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= /mcL; a subject will not be excluded because of pancytopenia related to disease
Absolute neutrophil count (ANC) >= ,/mcL
Within  days of cycle  day : Absolute neutrophil count (ANC)\t>= ,/mcL
Within  days prior to the start of study treatment: Absolute neutrophil count (ANC) >= , /mcL.
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL.
Absolute neutrophil count (ANC) >= . k/mcl, obtained within  days prior to first study treatment
Absolute neutrophil count (ANC) >= , /mcL.
Within  days of registration: Absolute neutrophil count (ANC) >= ,/mcL
Within  days prior to on-study date: Absolute neutrophil count (ANC) ? ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >=  /mcL
Absolute neutrophil count (ANC) ? ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/ mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Obtained within  days prior to enrollment: absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) > /mcL
Absolute neutrophil count (ANC) >= /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL.
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL, during screening and on cycle , day 
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC): >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL within  days prior to registration
Absolute neutrophil count (ANC) > /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) < /mcl
Absolute neutrophil count (ANC) >= ,/mcL
PHASE I: Absolute neutrophil count (ANC) > ,/mcl
PHASE II: Absolute neutrophil count (ANC) > ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL except in cases of marrow infiltration by lymphoma
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Newly diagnosed MCL: Absolute neutrophil count (ANC) > /mm^; patients who have bone marrow infiltration by MCL are eligible if their ANC is equal to or > than 
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) < /mcL
Patients must have absolute neutrophil count (ANC) > /mcl
Absolute neutrophil count (ANC) ? ,/mcL OR ? /mcL if neutropenia due to iBCL
Absolute neutrophil count (ANC) >= , /mcL
Within  days prior to registration: Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= , /mcL
REGISTRATION TO TREATMENT (STEP ): Absolute neutrophil count (ANC) >= , /mcL, within  days prior to first dose of pembrolizumab
REGISTRATION TO TREATMENT (STEP ): Absolute neutrophil count (ANC) >= , /mcL, within  days prior to first dose of pembrolizumab
Absolute neutrophil count (ANC) >=  /mcL
Absolute neutrophil count (ANC) ? ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >=, /mcL
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Within  days of registration: Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , cells/mcL within  days prior to registration
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) < . K/mcL at time of enrollment
Absolute neutrophil count (ANC) >= ,/mcL
Within  days prior to registration: Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= /mcL
Absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= /mcl (filgrastim [G-CSF] is allowed) (must be within  days of MLA)
Absolute neutrophil count (ANC) > /mcL
Absolute neutrophil count (ANC) >= . K/mcL
Absolute neutrophil count (ANC) > /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= /mcL
Absolute Neutrophil Count (ANC) ? ,/mcL
Absolute neutrophil count (ANC) of at least  per mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) < /mcl
An absolute neutrophil count (ANC) >= ,/mcl
Absolute neutrophil count (ANC) > /mcl
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >  cells/mcl
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) < . K/mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= ,/mcL within  days prior to registration
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) < . K/mcL
At the discretion of the operating surgeon, absolute neutrophil count (ANC) > /mcl
Absolute neutrophil count (ANC) < . K/mcL
At the discretion of the physician, absolute neutrophil count (ANC) > /mcl
Absolute neutrophil count (ANC) < . K/mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= , /mcL
Absolute neutrophil count (ANC) >= ,/mcL
Absolute neutrophil count (ANC) >= , /mcL