Feasibility and Accuracy of Nanosensor-based Cancer Diagnosis at the Point-of-care (Chedza)

Inclusion Criteria: * Botswana citizen * Age 18 years or older * Able and willing to provide informed consent * Undergoing diagnostic procedure for palpable abnormality (biopsy, node/mass resection, or fine-needle aspirate) for diagnosis of possible lymphoid malignancy or breast cancer Exclusion Criteria: * Involuntary incarceration (prison, jail, etc.) * Procedures involving internal organs or locations expected to have elevated risk of complication * Increased risk for severe bleeding as defined as known hemophilia or other bleeding disorder, use of anticoagulants in past week (not including aspirin or other NSAIDS), advanced liver disease, or other condition determined by clinician to significantly increase bleeding risk of procedure * Known pregnancy * Critical illness as defined by current intensive care admission, hypotension (systolic BP\<100mmHg), hypoxemia (O2 saturation \<94% on room air), or other condition determined by clinician to significantly decrease physiologic tolerance of procedure * Other condition felt by the clinician performing procedure to significantly increase risk of procedure