There are multiple tiny subcentimeter calcific densities noted throughout both lung parenchyma. There is no focal lung parenchymal mass or cavitating lesion seen. The appearances are classical for previous varicella exposure. Sometimes, an unlikely possibility of calcified metastasis can be considered.
Reference: Kim EA, et al. Viral Pneumonias in Adults: Radiologic and Pathologic Findings. RadioGraphics 2002; 22: 137.
Credit: Dr Abhijit Datir