This is a little bit of a “read my mind” case

Answer: Acute chest syndrome in a sickle cell patient (note the vertebral bodies and shoulders)

Acute Chest Syndrome: new clinical symptoms (fever, SOB, chest pain,etc) with new pulmonary opacity. Varying causes such as pneumonia, pulmonary infarct, etc.

reference: https://radiopaedia.org/articles/sickle-cell-disease-acute-chest-syndrome-1