An 18-year-old female patient with parainfluenza (HPIV 3) pneumonia also with bone marrow transplantation due to acute lymphoblastic leukemia. According to the RSNA guidelines in “indetermine,” CORADS score given as 3. Diffuse centrilobular ground glass density nodules (black arrow), focal peripheral consolidation areas (black arrowhead), and increased peribronchial wall thickness (white arrowhead) are observed.