Can rib pain be a sings of lung cancer?

Rib pain: Would not be a high frequecy association sign or symptom.

Yes: Cough blood weight loss and pain are symptoms.

Sometimes: Unfortunately, early lung cancer is often asymptomatic. The following link may assist you in the possible symptoms: http://goo.Gl/vvhhy.

While not: Common, direct invasion into chest wall and ribs can be from lung cancer. Many lung cancers present more with signs of systemic spread: weakness, fatigue, weight loss.