what does it mean if healthcare doesn't include the corner cases though? where do you draw the line? is cancer treatment healthcare? what if you have a rare

what does it mean if healthcare doesn't include the corner cases though? where do you draw the line? is cancer treatment healthcare? what if you have a rare cancer? im not the one arguing from a made up definition here. almost ANYONE would consider cancer, rare cancer, sickle cell treatments, and gauchers treatments "healthcare". its disingenuous to put those outside the bag of things called healthcare just because its inconvenient to your worldview