Lung nodules after chemotherapy for rectal cancer may be caused by lung metastasis of rectal cancer or other reasons.
1. Lung metastasis: lung nodules after chemotherapy for rectal cancer may be caused by rectal cancer metastasizing to the lungs, in order to understand the condition, it is necessary to do lung biopsy, tumor marker examination, chest X-ray and other related examinations.
2. Other causes: for example, lung fibroma, lung lipoma, lung misshapen tumor, lung pathogen infection, tuberculosis, sarcoidosis, bronchiolar cyst, pulmonary isolation and so on can cause lung nodules.
Patients who have lung nodules after chemotherapy for rectal cancer need to consult doctor in time, clarify the cause of disease, make individualized treatment plan by doctor, and don’t use medication by themselves to avoid further development of the disease.