Inclusion Criteria:  Ages 18-80 years (inclusive) Provision to sign and date the consent form. Diagnosed with a hematologic malignancy and undergoing cytotoxic chemotherapy, stem cell transplants or CAR T-cell treatments at the Blood Disorders and Cell Therapies Center at UCHealth (BDCTC) Will have longitudinal care provided by the BDCTC for >1 additional month Receive chemotherapy or other therapies known to cause reductions in WBC <1000 on a routine basis Scheduled to be discharged home and self-monitor for FN and other complications Patient is willing to tell TSA or any security representative that you are wearing a "medical device" Patient has agreed to not submerge the device underwater including while swimming or bathing Patient is willing to complete a self-check temperature log comply and be available for the duration of the study Patient has access to a thermometer  Exclusion Criteria:  Patient that wears a defibrillator, pacemaker, or other implantable device Patient has broken skin including wounds, sores, or abrasions in the area that the BioSticker would be applied Patient has had a severe reaction to silicone adhesives Patient has any clinically significant medical or psychiatric disease or condition that, in the Investigator's opinion, may interfere with protocol adherence or a subject's ability to give informed consent.