Assertion: lung cancer | /r/Causes | narrowing of the esophagus
Facets:
Source sentences:
text: For example, mass effects from lung cancer can block the bronchus resulting in cough or pneumonia; esophageal cancer can cause narrowing of the esophagus, making it difficult or painful to swallow; and colorectal cancer may lead to narrowing or blockages in the bowel, affecting bowel habits.