A computer system includes a database of pathology information for a plurality of patients including at least one current patient; a memory; and a processor configured to identify the at least one second practitioner based on a similarity between the patient-specific pathology of the at least one current patient and the similar patient of the at least one second practitioner; display an indication to the first practitioner that the at least one second practitioner has been identified while keeping the identity of the at least one second practitioner and the similar patient confidential; present the first practitioner with a control to communicate with the at least one second practitioner; receive, from the at least one second practitioner, discrete responses to questions regarding the similar patient; and determine, based on the discrete responses, a recommendation of a treatment for the at least one current patient.