Retroperitoneal structures: SAD PUCKER.
Only the descending colon is part of this.
Pyruvate Kinase defect leads to decreased ATP leading to rigid RBCs and extra vascular hydrolysis. Increased levels of 2,3-BPG decreases hemoglobin affinity for O2.
Rabies Virus (rhabdoviridae)
Fever, encephalitis, drooling
I believe its Squamous cell carcinoma. Its centrally located, smoker, and its a hilar mass. Keratin pearls.