Patchy hazy opacity w nearby sub-cm ggo on ct rll - 1267809

Hi

I wrote before asking if this might be breast ca met, and was reassured likely not. How about ais?
Because- 4 mo h/o exercise intolerance, chest pain while exercising- not angina, weird intermittent wildly fluctuating daily fever for 7 wks, fatigue, all labs wnl leaving my excellent internist mystified. Haven't felt sick until my daughter came home w flu... . Panting making the bed sometimes, and I'm a regular exercise nut... No cough.
Infiltrate found on
Chest ct as part of fuo work-up. Failed 2 courses antibiotics. Two wks ago, got really sick w flu then bronchitis from my daughter in spite of prophylactic tamiflu and flu vaccine. Not like me- I rarely get sick. Except for cancer (breast, endometrial and sml gist). uncle ( non-smoker) died if lung ca at 40 y/o.

Repeat ct this wk, then pulm consult and I'm told to expect bronchoscopy/biopsy as next step.

So, it's an atypical presentation of something but how can labs be consistently wnl if it's inflammatory?

I won't disagree that I might sound a little crazy, but having survived mult bouts of cancer, this run-up to diagnosis feels creepily similar to other times I got the ca dx...

Thanks