Participants who are receiving or have received any other investigational agents within  days of enrollment
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents
Participants may not be receiving any other investigational agents; patients may not be receiving any other treatment for their rectal cancer during study participation and within  days prior to study treatment
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents during the proposed treatment cycle.
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other research study agents
Participants may not be receiving any other study agents for at least  days prior to enrollment
Participants may not be receiving any other investigational study agents or treatment for their cancer
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents.
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents within  days of the first dose of study drug
Participants who are receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents
STRATUM A: Participants receiving any other investigational agents
STRATUM B: Participants receiving any other investigational agents
STRATUM C: Participants receiving any other investigational agents
Participants may not be receiving any other investigational agents targeting histiocytosis
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents, and may not have received any other investigational agents within  months prior to study entry
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any investigational agents are not eligible
Participants receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other investigational agents for treatment of their cancer
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants receiving any other investigational agents
Participants who are receiving any other investigational agents after ASCT
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents within  days before the first dose of study drug
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other study agents
PHASE I: Participants may not be receiving any other study agents within  weeks of initiating treatment
PHASE II: Participants may not be receiving any other investigational agents
Participants may not be receiving any biologics or investigational agents within  weeks
Participants receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants receiving any other study agents
Participants may not be receiving any other investigational anticancer agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents.
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other study agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents during the study or within  weeks of the start of the trial
Participants who are receiving concurrent therapy with other investigational agents
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants receiving any other anti-cancer or investigational agents
Participants may not be receiving any other study agents
Participants may not be receiving any other study agents at the time of first treatment
Participants may not be receiving other investigational agents.
Participants may not be receiving any other study agents
Participants who are receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other study agents
Participants who are receiving any other investigational agents
Participants may not be receiving any other investigational agents within  days of enrollment or during this study
Participants who are receiving any other investigational agents
Research participants receiving any other investigational agents
Participants who are receiving any other investigational agents; participants who are receiving standard of care induction therapy on a clinical trial may be eligible after discussion with the overall principal investigator
Participants who are receiving any other investigational agents
Participants receiving any other investigational agents
Participants may not be receiving any other investigational agents for treatment of GVHD or underlying disease for at least  days
Participants may not be receiving investigational agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants may not be receiving any other investigational agents within past  months
Participants may not be receiving any other investigational agents
Participants may not be receiving any other investigational agents during the study
Participants may not be receiving any other investigational agents
Participants may not be receiving any other investigational agents
Participants who are receiving any other investigational agents
Participants receiving other investigational agents
Participants who are receiving any other investigational agents