In the Love Story, the exact type of cancer Jenny had wasn't clearly stated. It could have been any form, but the focus was more on the emotional aspect of their relationship.
The contagious nature of cavernous form of lung cancer was relatively strong in the initial stage. However, after about two weeks of effective treatment, the infectious rate of cavernous lung cancer would be greatly reduced, or even lose its infectious rate. Therefore, timely and standardized anti-inflammatory treatment can reduce the infection and reduce the spread of the disease.
He might be passionate. Since the title mentions his love, he could be someone who feels deeply and is not afraid to show it, although perhaps a bit too much.
It depends. Some elements of the Walton stories might be based on real events or experiences, but they could also have fictional parts added for entertainment or dramatic effect.
I'm not sure who Mr. Walton is specifically in this novel as I haven't read it. Maybe he is the main male character or an important figure that has some sort of power or influence over the love story in the book.