Inositol in Preventing Lung Cancer in Current or Former Smokers With Bronchial Dysplasia

Inclusion Criteria: * Histologically confirmed bronchial dysplasia in ≥ 1 site AND meets one of the following criteria: * Current or former smoker with ≥ a 30 pack-year smoking history and no history of lung cancer * Stage 0 or I non-small cell lung cancer (NSCLC) curatively treated by surgery (local ablation or resection), adjuvant chemotherapy, or radiotherapy with a ≥ 30 pack-year smoking history * At least 6 months since prior surgery, adjuvant chemotherapy, or radiotherapy * No current evidence of lung cancer by CT scan * No non-calcified lung nodules ≥ 10 mm diameter on spiral CT scan unless cancer is ruled out by PET/CT scan or by biopsy * ECOG performance status 0-1 * Hemoglobin normal * Leukocyte count ≥ 3,000/mm³ * Absolute neutrophil count ≥ 1,500/mm³ * Platelet count ≥ 100,000/mm³ * Total bilirubin ≤ 1.5 times upper limit of normal (ULN) * Alkaline phosphatase ≤ 1.5 times ULN * ALT and AST ≤ 1.5 times ULN * BUN ≤ 1.5 times ULN * Chloride ≤ 1.5 times ULN * Total CO\_2 ≤ 1.5 times ULN * Sodium ≤ 1.5 times ULN * Calcium ≤ 1.5 times ULN * Potassium ≤ 1.5 times ULN * Phosphorus ≤ 1.5 times ULN * Creatinine ≤ 1.5 times ULN OR creatinine clearance ≥ 30mL/min * Fasting blood glucose normal * Not pregnant or nursing * Negative pregnancy test * Fertile patients must use effective contraception * No cancer within the past 3 years except stage 0 or I NSCLC, nonmelanomatous skin cancer, localized prostate cancer, carcinoma in situ of the cervix, or superficial bl…