PDCD1LG2 and neoplasm: The up‐sPD‐L2 profile observed in those post‐COVID‐ILD patients with lung structural and functional alterations could affect other cell subsets; reports indicated that high expression of PD‐L2 is related to the presence of a macrophage subpopulation with anti‐inflammatory and profibrotic functions called M2, which leads to the inhibition of T‐cells, and in tumor models has been described that high expression of PD‐L2 is associated with a poor prognosis.32, 33