Common clinical findings. Common findings can include changes in neutrophil numbers (neutrophilia vs neutropenia), deranged circadian rhythms, or patients with various medications scheduled for surgery or other medical interventions. Causality is to be assessed, and advanced diagnostics or interventions should be planned in a timely manner prior to/in parallel with subsequent treatments. BTK, Bruton tyrosine kinase; ROS, reactive oxygen species; !, current situation; ?, possible cause/s; >, consequences.