“…SARS-CoV-2 infection might, in those cases, be responsible for the seromas, since late seromas that are not BIA-ALCL related nor mechanical friction related are thought to be generated by some immune-mediated reaction (i.e., allergic, subclinical infection, etc. ), involving cytokines, histamine, serotonin, and prostaglandins modifying with inflammatory cells the interstitial fluid and the osmotic gradient in the pocket, eventually ending in major serum production [ 6 , 9 ].…”