1 Nonsquamous non-small cell lung cancer. 2  This cancer is a disease in which malignant (cancer) cells form in the tissues of the lung. 3  If you are having initial treatment for your lung cancer, ALIMTA may be given alone or in combination with another chemotherapy drug. If this is the first time you have been treated for your lung cancer, ALIMTA may be given with another anti-cancer drug called cisplatin. 2  If you have completed initial treatment for your lung cancer, ALIMTA may be given alone immediately following your initial treatment.