Serum potassium > . mmol/L Parts C and D Potassium >= . mmol/L or at/above the lower limit of normal for the performing laboratory Serum potassium >= . mmol/L performed within days prior to the date of registration (if < ., can be repleted and reassess for eligibility as long as stable off potassium supplementation for > hours [hrs]) Obtained within days prior to registration: Potassium > . mmol/L (within institutional normal range) Serum potassium ? . mmol/L. Supplementation and re-screening is allowed. Documented within days of registration: Potassium: .- . mmol/L Serum potassium >= . mmol/L Serum potassium >= . mmol/L Serum potassium ? . mmol/L Serum potassium >= . mmol/L. Potassium > and < . mmol/L. Potassium >= . mmol/L (within institutional normal range) within days of cycle day Within days of registration: Potassium >= . mmol/L (within institutional normal range) Serum potassium >= . mmol/L Serum potassium < . mmol/L Serum potassium >= . mmol/L Serum potassium >= . mmol/L Within months of registration: Serum potassium >= . mmol/L Within days of study registration: Potassium >= . mmol/L Serum potassium < . mmol/L or above . mmol/L Baseline serum potassium < . mmol/L (potassium supplementation may be given to restore the serum potassium above this level prior to study entry) Performed within days of patient registration: Serum potassium > . mmol/L (can be achieved with replacement) Potassium . . mmol/L Serum potassium >= . mmol/L Serum or plasma potassium >= . mmol/L or institutional lower limit of normal (LLN) (independent of potassium supplementation) Have a baseline serum potassium >= . mmol/L Serum potassium >= . mmol/L Potassium levels < . mmol/L or > . mmol/L Obtained within days prior to registration: Potassium >= . mmol/L Serum potassium (K)+ < . mmoL/L; patients with a K+ < . mmoL/L are required to have a documented subsequent K+ > . prior to enrollment to be eligible Potassium <. mmol/L. Serum potassium >= . mmol/L Serum potassium greater than . mmol/L without oral supplementation Serum potassium >= . mmol/L Serum potassium >= . mmol/L Potassium .-. mmol/L (inclusive) Serum potassium >= . mmol/L