Pain in both shoulders is usually not a symptom of early lung cancer, which is usually considered as shoulder inflammation, cervical spondylosis and other diseases. 1. Lung cancer: Early lung cancer symptoms usually include cough, hemoptysis, chest tightness and shortness of breath. Shoulder pain is usually considered as a kind of shoulder and neck pain, which should be confirmed by further examination in hospital. If lung cancer patients have shoulder pain, it is usually caused by the tumor metastasis which presses the nerves of shoulder and neck, mostly in the late stage of the disease. 2. Shoulder and neck diseases: Shoulder and neck pain is mostly considered to be caused by shoulder and neck factors, which is usually more obvious after shoulder and neck activities, such as frozen shoulder, soft tissue contusion, cervical spondylosis, or whether there are traumatic stimulation, ligament strains and over exertion in recent time. It is recommended that the patient consult the doctor in time, improve the examination to make a clear diagnosis, and actively treat the disease to avoid delaying the condition.