I have a very small nodule on the apex of my lung found on chest x-ray my doctor saidit may be scar tissue or a blocked bone shadow, it is on the apex and i am 70 years old, is it cancer?

Possible: But more likely not. Further x-ray views or a ct might be helpful. Were you a smoker?

Hard to say: Although lung cancers can present as lung nodules, most isolated lung nodules are not due to cancer. If you are in doubt, it is better to obtain a second opinion.

It could be.: Determining whether a lung nodule is cancer is a process. Smoking history and age are important. Size is important. "very small" nodules (.