How big a nodule is considered early stage lung cancer

Lung cancer is a common tumor, but whether it occurs in the early, middle or late stages has nothing to do with the size of the tumor. We only know that ground-glass nodules smaller than four millimeters are mostly benign. When they grow to more than four millimeters, such as eight millimeters to one centimeter, we will combine imaging and examine the patient's symptoms and tumor markers to clinically determine whether the disease is a malignant lung cancer. If the lung nodules grow faster, the diameter exceeds 1 centimeter, the boundaries are unclear, and there are ground-glass changes, the possibility of early lung cancer is relatively high. Generally, lumps less than two centimeters are early lung cancer, and such patients can be treated surgically.

Chemotherapy for brain metastases from lung cancer

For example, when choosing chemotherapy drugs for brain metastasis of lung adenocarcinoma and brain metastasis of lung squamous cell carcinoma, the former may mainly be docetaxel plus cisplatin, gemcitabine combined with cisplatin, while the latter is mainly pemetrexed combined with cisplatin, and for small cell lung cancer, etoposide combined with cisplatin is selected. For patients with stage IV lung cancer and brain metastasis, whether chemotherapy is needed should be considered comprehensively. It can effectively control the disease, fundamentally alleviate the patient's pain, improve the quality of life, and achieve the desired effect.

What are the imaging manifestations of central lung cancer?

If the tumor grows and blocks the bronchial cavity, it can cause atelectasis of the distal lung, with a high-density patchy shadow on imaging, which is consistent with the range of the lung distal to the bronchus blocked by the tumor, making it difficult to distinguish the tumor, and enhanced CT examination is required to assist in judgment. The manifestation of central lung cancer on chest X-rays is mainly a mass shadow near the hilum and mediastinum. The mass is irregular in shape, has burrs on the edges, and is often lobed. Blockage of the drainage bronchus can lead to secondary infection of the distal lung tissue or lung abscess.