Yes there are chemical compounds around that may cause problems. But they are often - not always - so diluted that it is most improbable that they will cause any problems. An example. Most people would
Veryfew things - if any at all - can be diagnosed with just one test. You usually have to complement with more tests to be sure of a diagnosis so also here. Not even a leukemia - far less a lymphoma -
The picture does not permit a certain diagnosis. But given the circumstances and where you live I strongly suggest that you let a doctor - a skin specialist -check this problem soonest! Good luck!
This is actually a question for an expert of ear-nose-and-throat surgery so it should be directed to such an expert here since it is outsider My Fields of expertise here! Good luck! You can also
Without actually seeing the scans, I strongly doubt that you have liver cancer and would concur that you have nothing to worry about. It isn't unusual to see slight changes in hemangiomas and in cysts