How long can lung cancer patients live in the middle and late stage is actually related to the disease and the patient’s mentality, etc. Even in the middle and late stage, patients should face it with a positive attitude. In addition, lung cancer patients can eat some fruits that are beneficial to their recovery. How long a patient can live in the middle and late stage of lung cancer is related to the patient’s condition. 1. There is superior vena cava in the right side of mediastinum It transmits venous blood from upper limbs, head and neck back to heart. If the tumor invades the right side of mediastinum and presses the superior vena cava, it will initially make the jugular vein angry due to poor reflux, and finally lead to facial and neck edema, which needs timely diagnosis and treatment. 2. Invasion of the pleura can cause pleural effusion, which is often bloody. Large amount of fluid can cause shortness of breath. In addition, the cancer invades the pleura and chest wall, which can cause continuous and severe chest pain. 3.Upper lobe top lung It can invade and compress the organ tissues located in the upper thoracic opening. Such as the first rib, subclavian artery, brachial plexus nerve, cervical sympathetic nerve, etc., producing severe chest pain, upper limb venous anger, edema, arm pain and upper limb movement disorder, cervical sympathetic nerve syndrome such as ipsilateral upper eye and face drooping, pupil narrowing, eye sunken, no sweat on face.