Conversation so far:
What is throat cancer?
Throat cancer refers to cancerous tumors that develop in your throat (pharynx), voice box (larynx) or tonsils.
Is throat cancer treatable?
If diagnosed early, throat cancer has a high survival rate. Throat cancer may not be curable once malignant cells spread to parts of the body beyond the neck and head.
Tell me about lung cancer.
Lung cancer is a type of cancer that begins in the lungs. Your lungs are two spongy organs in your chest that take in oxygen when you inhale and release carbon dioxide when you exhale. Lung cancer is the leading cause of cancer deaths in the United States, among both men and women

Question: What are its symptoms
Self-contained rewrite: What are lung cancer's symptoms?