A somatic shadow cast by ambiance chasers

Admittedly, I did stumble over S2 L4 on first read but second time through I just squished up the preference and the stress lands on IN-significant, which gives you a handy little pointer to the pun (actually).

One must learn to beware of malignant creme eggs, especially those filled with unpleasant little plastic dinosaurs or convenient choke-sized pieces of crap.  I suggest avoiding doctors from now on.