Inclusion criteria were hospitalized subjects diagnosed with lung cancer that had
consented to surgery requiring lung resection who had a life expectancy of >6 months.
Key exclusion criteria were antibiotic prophylaxis prior to surgery, diffuse,
non-infectious lung disease, history of cigarette smoking of >5 packs per year, patients
with any infectious disease that required antibiotic therapy, administration of drugs
known to interfere with azithromycin pharmacokinetics, and subjects on chemotherapy.