Again I want to thank you for your kind and detailed reply!
I know about the symbolism of the moon as the left eye of males and of combustion. I asked myself, what does the Sun mean in this conjunction? Is it the right eye of this man? Is it just an evil influence?
Perhaps one thing has to be considered too: At the very time of the new moon the moon is in cazimi! It is very dignified for a short time. At this day this lasted for almost one hour.
Jason wrote: Thu Dec 21, 2023 11:25 pm
If I understand your question correctly, Georgius, you're asking what the new moon in Scorpio had to do with the treatment?
Yes.
I wanted to give not too much information in the beginning so that everyone who wants to interpret the astrological situation is not limited by the hindsight. So if someone wants to think it over first
do not read any further!
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Jason wrote: Thu Dec 21, 2023 11:25 pm
Was the treatment successful?
This question is not easy to answer. At the time of the new moon the result of the biopsy was delivered. But there was no clear declaration. (Mercury was in its second station at the beginning of the treatment.) They did not know what it really was. They did not know if it was malignant. So the decision was to do a radiotherapy “just in case”.

Now three years later there was no worsening and no improvement. So depending on what you think about the situation at the beginning one can say it was useless effort all together (and there was great effort including travel and hotel stay) or one can say it was successful because the man did not die of cancer.
Jason wrote: Thu Dec 21, 2023 11:25 pm
[…] So, perhaps this new moon on the radix moon was symbolic of a "burning off (of) the dross": the affliction to the man's eye.
A very interesting and very suitable thought!