CRP and COVID-19: Leukocytosis, lymphopenia, elevated levels of C-reactive protein (CRP), procalcitonin (PCT), D-dimer, IL-6 (Interleukin-6), Neutrophil to Lymphocyte ratio (NLR), and Lactate dehydrogenase (LDH) have all been observed in COVID-19-infected cancer patients [[1], [2], [3],7].