Final answer:
The question is about a chest X-ray of a febrile patient taking high dose immunosuppressants, and the treatment involves TMP-SMX and steroids.
Step-by-step explanation:
The subject of this question is Medicine. The question is asking about a chest X-ray (CXR) of a febrile patient taking high dose immunosuppressants, which shows diffuse bilateral (B/L) ground glass infiltrates. The mention of TMP-SMX and steroids indicates that these medications are being used in the treatment of the patient.