Lung lesion with an irregular spiculated border and a diameter larger than 3 cm (30 mm) are regarded as suspicious for cancer.
The nodule in your neck is probably swollen lymph node that could be affected by the process in your lung (when a cancer begins to spread around the body, it may first spread to nearby lymph nodes, which become swollen).
Where is the tumor localized exactly?
Is it available for performing biopsy?
What kind of symptoms you are experiencing?
There are usually some cancer programs that can help you get the adequate treatment, but they need confirmed diagnosis of cancer.
Where you come from ?